[1] Univ Kentucky, Gill Heart Inst, Lexington, KY USA
[2] Yale Univ, Sch Med, New Haven, CT USA
[3] Duke Univ, Med Ctr, Durham, NC USA
[4] Temple Univ Hosp & Med Sch, Philadelphia, PA 19140 USA
[5] Rhode Isl Hosp, Providence, RI USA
[6] Univ Florida, Gainesville, FL USA
[7] Cerus Corp, Concord, CA USA