[1] Octapharma Usa, CR&D, Hoboken, NJ USA
[2] Southern Hemophilia Network, Basingstoke, Hants, England
[3] Nemazi Hosp, Hematol Res Ctr, Shiraz, Iran
[4] Octapharma, CR&D, Lachen, Switzerland
[5] Ctr Emofilia & Trombosi Angelo Bianchi Bonomi, Milan, Italy