[1] Univ Klinikum Bonn, Bonn, Germany
[2] Univ Witwatersrand, Fac Hlth Sci, Haemophilia Comprehens Care Ctr, Johannesburg, South Africa
[3] NHLS, Johannesburg, South Africa
[4] Inst Costarricense Invest Cient, San Jose, Costa Rica
[5] Genentech Inc, San Francisco, CA 94080 USA
[6] Univ Med Ctr Hambur Eppendorf, Dept Med Psychol, Hamburg, Germany
[7] Childrens Hosp Michigan, Detroit Med Ctr, Detroit, MI 48201 USA
[8] Univ Southern Calif, Keck Sch Med, Childrens Hosp Los Angeles, Los Angeles, CA USA
[9] F Hoffmann La Roche Ltd, Basel, Switzerland
[10] Osped Maggiore Policlin, IRCCS Ca Granda Fdn, Milan, Italy
[11] Univ Washington, Washington Ctr Bleeding Disorders BloodWorks NW, Seattle, WA 98195 USA
[12] Univ Claude Bernard, Louis Pradel Cardiol Hosp, Lyon, France
[13] Georgetown Univ, Med Ctr, Washington, DC 20007 USA
[14] Genentech Inc, Pharma Dev Oncol, San Francisco, CA 94080 USA
[15] Inst Hematol & Transfus Med, Warsaw, Poland
[16] Nara Med Univ, Dept Pediat, Kashihara, Nara, Japan