[1] Bonn Univ Clin, Inst Expt Hematol & Transfus Med, Bonn, Germany
[2] Univ Basel Hosp, Diagnost Hematol, CH-4031 Basel, Switzerland
[3] St Luc Univ Hosp, Haemophilia Clin, Brussels, Belgium
[4] Great Ormond St Hosp Sick Children, Haemophilia Comprehens Care Ctr, London WC1N 3JH, England
[5] Univ Roma La Sapienza, Policlin Umberto 1, I-00185 Rome, Italy
[6] Hosp Univ Vall dHebron, Barcelona, Spain
[7] Baxter Healthcare Corp, Baxter Innovat GmbH, Vienna, Austria
[8] Baxter Healthcare SA, Zurich, Switzerland
[9] Baxter Innovat GmbH, Vienna, Austria