[1] Klinikum Stadt Ludwigshafen, Herzzentrum, D-67063 Ludwigshafen, Germany
[2] CNG, Evry, France
[3] Duke Univ, Ctr Living, Durham, NC USA
[4] Hemophilia & Thrombosis Ctr, Milan, Italy
[5] Osped Niguardia, Milan, Italy
[6] Univ Oxford, Oxford, England
[7] Univ Leeds, Gen Infirm, Leeds LS1 3EX, W Yorkshire, England
[8] Univ Utah, Latter Day St Hosp, Salt Lake City, UT 84143 USA
[9] Duke Univ, Duke Clin Res Inst, Durham, NC 27706 USA