[1] Univ Rostock, Dept Cardiac Surg, D-18057 Rostock, Germany
[2] Heidelberg Univ, Inst Transfus Med & Immunol, Med Fac Mannheim, German Red Cross Blood Donor Serv Baden Wurttembe, D-6900 Heidelberg, Germany
[3] Heidelberg Univ, Med Klin 5, D-6900 Heidelberg, Germany
[4] Biomedicum Helsinki, Helsinki, Finland
[5] Chinese Acad Med Sci, Cardiovasc Inst, Beijing, Peoples R China
[6] Chinese Acad Med Sci, Fuwai Hosp, Beijing, Peoples R China
[7] Carol Davila Univ Med & Pharm, Dept Cellular & Mol Med, Bucharest, Romania
[8] Victor Babes Natl Inst Pathol, Bucharest, Romania