[1] McMaster Univ, Dept Med, Hamilton, ON, Canada
[2] Intermt Healthcare, Murray, UT USA
[3] Univ Utah, Sch Med, Salt Lake City, UT USA
[4] Versiti, Blood Res Inst, Milwaukee, WI USA
[5] Med Coll Wisconsin, Milwaukee, WI USA
[6] Univ Ottawa, Dept Med, Ottawa Hosp, Ottawa, ON, Canada
[7] Ottawa Hosp, Res Inst, Ottawa, ON, Canada
[8] Univ Clin Navarra, Hematol Serv, Pamplona, Spain
[9] Schulich Sch Med & Dent, London, ON, Canada
[10] McMaster Univ, Thrombosis & Atherosclerosis Res Inst, Dept Med, Hamilton, ON, Canada
[11] First IM Sechenov Moscow State Med Univ, Dept Obstet & Gynecol, Moscow, Russia
[12] McMaster Univ, Dept Hlth Res Methods & Impact, Hamilton, ON, Canada
[13] St Josephs Healthcare Hamilton, Biostat Unit, Hamilton, ON, Canada
[14] St Josephs Healthcare Hamilton, Room F-544,50 Charlton Ave East, Hamilton, ON L8N 4A6, Canada