Thrombophilia differential diagnosis: Difference between revisions
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* [[False positive]] [[VDRL]] | * [[False positive]] [[VDRL]] | ||
* [[Stroke]] and [[transient ischemic attack]] ([[TIA]]) are most common forms of presentation of [[arterial thrombosis]] | * [[Stroke]] and [[transient ischemic attack]] ([[TIA]]) are most common forms of presentation of [[arterial thrombosis]] | ||
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! Characteristics !! [[Antithrombin III deficiency]]<ref name="pmid19141163">{{cite journal |vauthors=Patnaik MM, Moll S |title=Inherited antithrombin deficiency: a review |journal=Haemophilia |volume=14 |issue=6 |pages=1229–39 |date=November 2008 |pmid=19141163 |doi=10.1111/j.1365-2516.2008.01830.x |url=}}</ref><ref name="Al HadidiWu2017">{{cite journal|last1=Al Hadidi|first1=Samer|last2=Wu|first2=Kristi|last3=Aburahma|first3=Ahmed|last4=Alamarat|first4=Zain|title=Family with clots: antithrombin deficiency|journal=BMJ Case Reports|year=2017|pages=bcr-2017-221556|issn=1757-790X|doi=10.1136/bcr-2017-221556}}</ref><ref name="pmid21772860">{{cite journal |vauthors=Konecny F |title=Inherited trombophilic states and pulmonary embolism |journal=J Res Med Sci |volume=14 |issue=1 |pages=43–56 |date=January 2009 |pmid=21772860 |pmc=3129068 |doi= |url=}}</ref> !! [[Factor V Leiden mutation]]<ref name="pmid20626623">{{cite journal |vauthors=Mannucci PM, Asselta R, Duga S, Guella I, Spreafico M, Lotta L, Merlini PA, Peyvandi F, Kathiresan S, Ardissino D |title=The association of factor V Leiden with myocardial infarction is replicated in 1880 patients with premature disease |journal=J. Thromb. Haemost. |volume=8 |issue=10 |pages=2116–21 |date=October 2010 |pmid=20626623 |doi=10.1111/j.1538-7836.2010.03982.x |url=}}</ref><ref name="pmid27797270">{{cite journal |vauthors=Campello E, Spiezia L, Simioni P |title=Diagnosis and management of factor V Leiden |journal=Expert Rev Hematol |volume=9 |issue=12 |pages=1139–1149 |date=December 2016 |pmid=27797270 |doi=10.1080/17474086.2016.1249364 |url=}}</ref><ref name="pmid15003896">{{cite journal |vauthors=Van Rooden CJ, Rosendaal FR, Meinders AE, Van Oostayen JA, Van Der Meer FJ, Huisman MV |title=The contribution of factor V Leiden and prothrombin G20210A mutation to the risk of central venous catheter-related thrombosis |journal=Haematologica |volume=89 |issue=2 |pages=201–6 |date=February 2004 |pmid=15003896 |doi= |url=}}</ref><ref name="pmid23615845">{{cite journal| author=Dentali F, Pomero F, Borretta V, Gianni M, Squizzato A, Fenoglio L et al.| title=Location of venous thrombosis in patients with FVL or prothrombin G20210A mutations: systematic review and meta-analysis. | journal=Thromb Haemost | year= 2013 | volume= 110 | issue= 1 | pages= 191-4 | pmid=23615845 | doi=10.1160/TH13-02-0163 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23615845 }}</ref><ref name="pmid12421138">{{cite journal |vauthors=Press RD, Bauer KA, Kujovich JL, Heit JA |title=Clinical utility of factor V leiden (R506Q) testing for the diagnosis and management of thromboembolic disorders |journal=Arch. Pathol. Lab. Med. |volume=126 |issue=11 |pages=1304–18 |date=November 2002 |pmid=12421138 |doi=10.1043/0003-9985(2002)126<1304:CUOFVL>2.0.CO;2 |url=}}</ref> !! [[Protein C deficiency]]<ref>{{Cite journal | |||
| author = [[Bernard Khor]] & [[Elizabeth M. Van Cott]] | |||
| title = Laboratory tests for protein C deficiency | |||
| journal = [[American journal of hematology]] | |||
| volume = 85 | |||
| issue = 6 | |||
| pages = 440–442 | |||
| year = 2010 | |||
| month = June | |||
| doi = 10.1002/ajh.21679 | |||
| pmid = 20309856 | |||
}}</ref><ref name="pmid11336597">{{cite journal |vauthors=Pescatore SL |title=Clinical management of protein C deficiency |journal=Expert Opin Pharmacother |volume=2 |issue=3 |pages=431–9 |date=March 2001 |pmid=11336597 |doi=10.1517/14656566.2.3.431 |url=}}</ref><ref name=":0">{{Cite journal | |||
| author = [[Gustavo A. Rodriguez-Leal]], [[Segundo Moran]], [[Roberto Corona-Cedillo]] & [[Rocio Brom-Valladares]] | |||
| title = Portal vein thrombosis with protein C-S deficiency in a non-cirrhotic patient | |||
| journal = [[World journal of hepatology]] | |||
| volume = 6 | |||
| issue = 7 | |||
| pages = 532–537 | |||
| year = 2014 | |||
| month = July | |||
| doi = 10.4254/wjh.v6.i7.532 | |||
| pmid = 25068006 | |||
}}</ref> !! [[Protein S deficiency]]<ref name=":0" /><ref>{{Cite journal | |||
| author = [[Kristi J. Smock]], [[Elizabeth A. Plumhoff]], [[Piet Meijer]], [[Peihong Hsu]], [[Nicole D. Zantek]], [[Nahla M. Heikal]] & [[Elizabeth M. Van Cott]] | |||
| title = Protein S testing in patients with protein S deficiency, factor V Leiden, and rivaroxaban by North American Specialized Coagulation Laboratories | |||
| journal = [[Thrombosis and haemostasis]] | |||
| volume = 116 | |||
| issue = 1 | |||
| pages = 50–57 | |||
| year = 2016 | |||
| month = July | |||
| doi = 10.1160/TH15-12-0918 | |||
| pmid = 27075008 | |||
}}</ref><ref name="pmid21799399">{{cite journal |vauthors=Ji M, Yoon SN, Lee W, Jang S, Park SH, Kim DY, Chun S, Min WK |title=Protein S deficiency with a PROS1 gene mutation in a patient presenting with mesenteric venous thrombosis following total colectomy |journal=Blood Coagul. Fibrinolysis |volume=22 |issue=7 |pages=619–21 |date=October 2011 |pmid=21799399 |doi=10.1097/MBC.0b013e32834a0421 |url=}}</ref> !! [[Prothrombin gene mutation G20210A|Prothrombin gene mutation]]<ref name="pmid17474891">{{cite journal| author=Cooper PC, Rezende SM| title=An overview of methods for detection of factor V Leiden and the prothrombin G20210A mutations. | journal=Int J Lab Hematol | year= 2007 | volume= 29 | issue= 3 | pages= 153-62 | pmid=17474891 | doi=10.1111/j.1751-553X.2007.00892.x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17474891 }}</ref><ref name="pmid12421139">{{cite journal| author=McGlennen RC, Key NS| title=Clinical and laboratory management of the prothrombin G20210A mutation. | journal=Arch Pathol Lab Med | year= 2002 | volume= 126 | issue= 11 | pages= 1319-25 | pmid=12421139 | doi=10.1043/0003-9985(2002)126<1319:CALMOT>2.0.CO;2 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12421139 }}</ref><ref name="pmid236158452">{{cite journal| author=Dentali F, Pomero F, Borretta V, Gianni M, Squizzato A, Fenoglio L et al.| title=Location of venous thrombosis in patients with FVL or prothrombin G20210A mutations: systematic review and meta-analysis. | journal=Thromb Haemost | year= 2013 | volume= 110 | issue= 1 | pages= 191-4 | pmid=23615845 | doi=10.1160/TH13-02-0163 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23615845 }}</ref> !! [[Disseminated intravascular coagulation|Disseminated intravascular coagulation (DIC)]]<ref name="pmid25535423">{{cite journal |vauthors=Venugopal A |title=Disseminated intravascular coagulation |journal=Indian J Anaesth |volume=58 |issue=5 |pages=603–8 |date=September 2014 |pmid=25535423 |pmc=4260307 |doi=10.4103/0019-5049.144666 |url=}}</ref><ref name="pmid27276832">{{cite journal |vauthors=Makruasi N |title=Treatment of Disseminated Intravascular Coagulation |journal=J Med Assoc Thai |volume=98 Suppl 10 |issue= |pages=S45–51 |date=November 2015 |pmid=27276832 |doi= |url=}}</ref><ref name="pmid29178991">{{cite journal| author=Cui S, Fu Z, Feng Y, Xie X, Ma X, Liu T et al.| title=The disseminated intravascular coagulation score is a novel predictor for portal vein thrombosis in cirrhotic patients with hepatitis B. | journal=Thromb Res | year= 2018 | volume= 161 | issue= | pages= 7-11 | pmid=29178991 | doi=10.1016/j.thromres.2017.11.010 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=29178991 }}</ref> !! [[Antiphospholipid antibody syndrome]]<ref name="pmid24319251">{{cite journal |vauthors=Lim W |title=Antiphospholipid syndrome |journal=Hematology Am Soc Hematol Educ Program |volume=2013 |issue= |pages=675–80 |date=2013 |pmid=24319251 |doi=10.1182/asheducation-2013.1.675 |url=}}</ref><ref name="pmid19624461">{{cite journal |vauthors=Pengo V, Tripodi A, Reber G, Rand JH, Ortel TL, Galli M, De Groot PG |title=Update of the guidelines for lupus anticoagulant detection. Subcommittee on Lupus Anticoagulant/Antiphospholipid Antibody of the Scientific and Standardisation Committee of the International Society on Thrombosis and Haemostasis |journal=J. Thromb. Haemost. |volume=7 |issue=10 |pages=1737–40 |date=October 2009 |pmid=19624461 |doi=10.1111/j.1538-7836.2009.03555.x |url=}}</ref><ref name="pmid243192512">{{cite journal| author=Lim W| title=Antiphospholipid syndrome. | journal=Hematology Am Soc Hematol Educ Program | year= 2013 | volume= 2013 | issue= | pages= 675-80 | pmid=24319251 | doi=10.1182/asheducation-2013.1.675 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=24319251 }}</ref><ref name="pmid29791828">{{cite journal| author=Garcia D, Erkan D| title=Diagnosis and Management of the Antiphospholipid Syndrome. | journal=N Engl J Med | year= 2018 | volume= 378 | issue= 21 | pages= 2010-2021 | pmid=29791828 | doi=10.1056/NEJMra1705454 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=29791828 }}</ref><ref name="pmid23488294">{{cite journal| author=Kornacki J, Wirstlein P, Skrzypczak J| title=[Assessment of uterine arteries Doppler in the first half of pregnancy in women with thrombophilia]. | journal=Ginekol Pol | year= 2012 | volume= 83 | issue= 12 | pages= 916-21 | pmid=23488294 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23488294 }}</ref> | |||
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Revision as of 17:21, 26 February 2021
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: M. Khurram Afzal, MD [2], Sogand Goudarzi, MD [3], Asiri Ediriwickrema, M.D., M.H.S. [4]
Overview
Thrombophilias must be differentiated from other diseases that cause the following clinical presentations: family history of thrombosis, especially at an early age (< 45 years), unprovoked thrombosis at an early age (<40-55 for venous thrombosis and <50-55 for arterial thrombosis), recurrent thrombosis including deep venous thrombosis, pulmonary embolism, or superficial venous thrombosis.
Differential Diagnosis
Thrombophilias must be differentiated from other diseases that cause the following clinical presentations:[1][2]
- Family history of thrombosis, especially at an early age (< 45 years)
- Unprovoked thrombosis at an early age (<40-55 for venous thrombosis and <50-55 for arterial thrombosis)
- Recurrent thrombosis including deep venous thrombosis, pulmonary embolism, or superficial venous thrombosis
- Thrombosis at multiple sites, or unusual locations including in cerebral, hepatic, portal, mesenteric, and renal veins
- Thrombosis in arteries with the abscence of arterial disease
- History of fetal loss
- History of warfarin skin necrosis
Differentiating different thrombophilias on the basis of symptoms, physical examination, and laboratory findings
Diseases | Clinical manifestations | Para-clinical findings | Gold standard | Additional findings | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Symptoms | Physical examination | |||||||||||
Lab Findings | Imaging | |||||||||||
Symptoms of DVT | Symptoms of Pulmonary Embolism | Symptoms of Myocardial Infarction | Tenderness in extremities | Edema in extremities | Warmth in extremities | PT | aPTT | Doppler ultrasound | Chest CT scan | |||
Antithrombin III deficiency[3][4][5] | + | + | - | + | + | + | Normal |
|
|
|
|
|
Factor V Leiden mutation[6][7][8][9][10] | + | + | + | + | + | + | N/A | ↑ |
|
| ||
Protein C deficiency[11][12][13] | + | + | - | + | + | + | Normal | Normal / ↑ |
|
|
| |
Protein S deficiency[13][14][15] | + | + | - | + | + | + | Normal | Normal / ↑ |
|
| ||
Prothrombin gene mutation[16][17][18] | + | + | - | + | + | + | ↑ | N/A |
|
| ||
Disseminated intravascular coagulation (DIC)[19][20][21] | + | + | +/- | + | + | + | ↑ | ↑ |
|
|
| |
Antiphospholipid antibody syndrome[22][23][24][25][26] | + | + | +/- | + | + | + | N/A | ↑ |
|
Characteristics | Antithrombin III deficiency[3][4][5] | Factor V Leiden mutation[6][7][8][9][10] | Protein C deficiency[27][12][13] | Protein S deficiency[13][28][15] | Prothrombin gene mutation[16][17][18] | Disseminated intravascular coagulation (DIC)[19][20][21] | Antiphospholipid antibody syndrome[22][23][24][25][26] |
---|---|---|---|---|---|---|---|
Example | Example | Example | Example | Example | Example | Example | Example |
Example | Example | Example | Example | Example | Example | Example | Example |
Example | Example | Example | Example | Example | Example | Example | Example |
Example | Example | Example | Example | Example | Example | Example | Example |
Example | Example | Example | Example | Example | Example | Example | Example |
Example | Example | Example | Example | Example | Example | Example | Example |
Example | Example | Example | Example | Example | Example | Example | Example |
Example | Example | Example | Example | Example | Example | Example | Example |
References
- ↑ Cohoon KP, Heit JA (2014). "Inherited and secondary thrombophilia". Circulation. 129 (2): 254–7. doi:10.1161/CIRCULATIONAHA.113.001943. PMC 3979345. PMID 24421360.
- ↑ Seligsohn U, Lubetsky A (2001). "Genetic susceptibility to venous thrombosis". N Engl J Med. 344 (16): 1222–31. doi:10.1056/NEJM200104193441607. PMID 11309638.
- ↑ 3.0 3.1 Patnaik MM, Moll S (November 2008). "Inherited antithrombin deficiency: a review". Haemophilia. 14 (6): 1229–39. doi:10.1111/j.1365-2516.2008.01830.x. PMID 19141163.
- ↑ 4.0 4.1 Al Hadidi, Samer; Wu, Kristi; Aburahma, Ahmed; Alamarat, Zain (2017). "Family with clots: antithrombin deficiency". BMJ Case Reports: bcr-2017–221556. doi:10.1136/bcr-2017-221556. ISSN 1757-790X.
- ↑ 5.0 5.1 Konecny F (January 2009). "Inherited trombophilic states and pulmonary embolism". J Res Med Sci. 14 (1): 43–56. PMC 3129068. PMID 21772860.
- ↑ 6.0 6.1 Mannucci PM, Asselta R, Duga S, Guella I, Spreafico M, Lotta L, Merlini PA, Peyvandi F, Kathiresan S, Ardissino D (October 2010). "The association of factor V Leiden with myocardial infarction is replicated in 1880 patients with premature disease". J. Thromb. Haemost. 8 (10): 2116–21. doi:10.1111/j.1538-7836.2010.03982.x. PMID 20626623.
- ↑ 7.0 7.1 Campello E, Spiezia L, Simioni P (December 2016). "Diagnosis and management of factor V Leiden". Expert Rev Hematol. 9 (12): 1139–1149. doi:10.1080/17474086.2016.1249364. PMID 27797270.
- ↑ 8.0 8.1 Van Rooden CJ, Rosendaal FR, Meinders AE, Van Oostayen JA, Van Der Meer FJ, Huisman MV (February 2004). "The contribution of factor V Leiden and prothrombin G20210A mutation to the risk of central venous catheter-related thrombosis". Haematologica. 89 (2): 201–6. PMID 15003896.
- ↑ 9.0 9.1 Dentali F, Pomero F, Borretta V, Gianni M, Squizzato A, Fenoglio L; et al. (2013). "Location of venous thrombosis in patients with FVL or prothrombin G20210A mutations: systematic review and meta-analysis". Thromb Haemost. 110 (1): 191–4. doi:10.1160/TH13-02-0163. PMID 23615845.
- ↑ 10.0 10.1 Press RD, Bauer KA, Kujovich JL, Heit JA (November 2002). "Clinical utility of factor V leiden (R506Q) testing for the diagnosis and management of thromboembolic disorders". Arch. Pathol. Lab. Med. 126 (11): 1304–18. doi:10.1043/0003-9985(2002)126<1304:CUOFVL>2.0.CO;2. PMID 12421138.
- ↑ Bernard Khor & Elizabeth M. Van Cott (2010). "Laboratory tests for protein C deficiency". American journal of hematology. 85 (6): 440–442. doi:10.1002/ajh.21679. PMID 20309856. Unknown parameter
|month=
ignored (help) - ↑ 12.0 12.1 Pescatore SL (March 2001). "Clinical management of protein C deficiency". Expert Opin Pharmacother. 2 (3): 431–9. doi:10.1517/14656566.2.3.431. PMID 11336597.
- ↑ 13.0 13.1 13.2 13.3 Gustavo A. Rodriguez-Leal, Segundo Moran, Roberto Corona-Cedillo & Rocio Brom-Valladares (2014). "Portal vein thrombosis with protein C-S deficiency in a non-cirrhotic patient". World journal of hepatology. 6 (7): 532–537. doi:10.4254/wjh.v6.i7.532. PMID 25068006. Unknown parameter
|month=
ignored (help) - ↑ Kristi J. Smock, Elizabeth A. Plumhoff, Piet Meijer, Peihong Hsu, Nicole D. Zantek, Nahla M. Heikal & Elizabeth M. Van Cott (2016). "Protein S testing in patients with protein S deficiency, factor V Leiden, and rivaroxaban by North American Specialized Coagulation Laboratories". Thrombosis and haemostasis. 116 (1): 50–57. doi:10.1160/TH15-12-0918. PMID 27075008. Unknown parameter
|month=
ignored (help) - ↑ 15.0 15.1 Ji M, Yoon SN, Lee W, Jang S, Park SH, Kim DY, Chun S, Min WK (October 2011). "Protein S deficiency with a PROS1 gene mutation in a patient presenting with mesenteric venous thrombosis following total colectomy". Blood Coagul. Fibrinolysis. 22 (7): 619–21. doi:10.1097/MBC.0b013e32834a0421. PMID 21799399.
- ↑ 16.0 16.1 Cooper PC, Rezende SM (2007). "An overview of methods for detection of factor V Leiden and the prothrombin G20210A mutations". Int J Lab Hematol. 29 (3): 153–62. doi:10.1111/j.1751-553X.2007.00892.x. PMID 17474891.
- ↑ 17.0 17.1 McGlennen RC, Key NS (2002). "Clinical and laboratory management of the prothrombin G20210A mutation". Arch Pathol Lab Med. 126 (11): 1319–25. doi:10.1043/0003-9985(2002)126<1319:CALMOT>2.0.CO;2. PMID 12421139.
- ↑ 18.0 18.1 Dentali F, Pomero F, Borretta V, Gianni M, Squizzato A, Fenoglio L; et al. (2013). "Location of venous thrombosis in patients with FVL or prothrombin G20210A mutations: systematic review and meta-analysis". Thromb Haemost. 110 (1): 191–4. doi:10.1160/TH13-02-0163. PMID 23615845.
- ↑ 19.0 19.1 Venugopal A (September 2014). "Disseminated intravascular coagulation". Indian J Anaesth. 58 (5): 603–8. doi:10.4103/0019-5049.144666. PMC 4260307. PMID 25535423.
- ↑ 20.0 20.1 Makruasi N (November 2015). "Treatment of Disseminated Intravascular Coagulation". J Med Assoc Thai. 98 Suppl 10: S45–51. PMID 27276832.
- ↑ 21.0 21.1 Cui S, Fu Z, Feng Y, Xie X, Ma X, Liu T; et al. (2018). "The disseminated intravascular coagulation score is a novel predictor for portal vein thrombosis in cirrhotic patients with hepatitis B." Thromb Res. 161: 7–11. doi:10.1016/j.thromres.2017.11.010. PMID 29178991.
- ↑ 22.0 22.1 Lim W (2013). "Antiphospholipid syndrome". Hematology Am Soc Hematol Educ Program. 2013: 675–80. doi:10.1182/asheducation-2013.1.675. PMID 24319251.
- ↑ 23.0 23.1 Pengo V, Tripodi A, Reber G, Rand JH, Ortel TL, Galli M, De Groot PG (October 2009). "Update of the guidelines for lupus anticoagulant detection. Subcommittee on Lupus Anticoagulant/Antiphospholipid Antibody of the Scientific and Standardisation Committee of the International Society on Thrombosis and Haemostasis". J. Thromb. Haemost. 7 (10): 1737–40. doi:10.1111/j.1538-7836.2009.03555.x. PMID 19624461.
- ↑ 24.0 24.1 Lim W (2013). "Antiphospholipid syndrome". Hematology Am Soc Hematol Educ Program. 2013: 675–80. doi:10.1182/asheducation-2013.1.675. PMID 24319251.
- ↑ 25.0 25.1 Garcia D, Erkan D (2018). "Diagnosis and Management of the Antiphospholipid Syndrome". N Engl J Med. 378 (21): 2010–2021. doi:10.1056/NEJMra1705454. PMID 29791828.
- ↑ 26.0 26.1 Kornacki J, Wirstlein P, Skrzypczak J (2012). "[Assessment of uterine arteries Doppler in the first half of pregnancy in women with thrombophilia]". Ginekol Pol. 83 (12): 916–21. PMID 23488294.
- ↑ Bernard Khor & Elizabeth M. Van Cott (2010). "Laboratory tests for protein C deficiency". American journal of hematology. 85 (6): 440–442. doi:10.1002/ajh.21679. PMID 20309856. Unknown parameter
|month=
ignored (help) - ↑ Kristi J. Smock, Elizabeth A. Plumhoff, Piet Meijer, Peihong Hsu, Nicole D. Zantek, Nahla M. Heikal & Elizabeth M. Van Cott (2016). "Protein S testing in patients with protein S deficiency, factor V Leiden, and rivaroxaban by North American Specialized Coagulation Laboratories". Thrombosis and haemostasis. 116 (1): 50–57. doi:10.1160/TH15-12-0918. PMID 27075008. Unknown parameter
|month=
ignored (help)