[1] Canadian Blood Serv, Vancouver, BC, Canada
[2] Canadian Blood Serv, Ottawa, ON, Canada
[3] Univ Amsterdam, Acad Med Ctr, Dept Gastroenterol & Hepatol, NL-1105 AZ Amsterdam, Netherlands
[4] Univ Vienna, A-1090 Vienna, Austria
[5] Australian Red Cross Blood Serv, Melbourne, Vic 3004, Australia
[6] Med Univ Vienna, Dept Blood Grp Serol & Transfus Med, A-1090 Vienna, Austria
[7] Cent Inst Blood Transfus & Dept Immunol, A-6020 Innsbruck, Austria
[8] Red Cross Flanders, B-2800 Mechelen, Belgium
[9] HEMOMINAS Fdn, BR-30150340 Belo Horizonte, MG, Brazil
[10] Canadian Blood Serv, Ottawa, ON K1G 1J5, Canada
[11] Hema Quebec, Med Affairs Microbiol, St Laurent, PQ H4R 2W7, Canada
[12] Guangzhou Blood Ctr, Guangzhou 510095, Guangdong, Peoples R China
[13] Finnish Red Cross & Blood Transfus Serv, FIN-00310 Helsinki, Finland
[14] EFS Alsace, F-67065 Strasbourg, France
[15] German Red Cross Blood Transfus Serv W, Ctr Transfus Med Munster, D-48151 Munster, Germany
[16] Paul Ehrlich Inst, Transfus Med Sect, D-63225 Langen, Germany
[17] Hong Kong Red Cross Blood Transfus Serv, Hong Kong, Hong Kong, Peoples R China
[18] Hungarian Natl Blood Transfus Serv, H-1113 Budapest, Hungary
[19] Tatar Mem Ctr, Adv Ctr Treatment Res & Educ Canc, Kharagpur 410210, Navi Mumbai, India
[20] Natl Blood Ctr, Irish Blood Transfus Serv, Dublin 8, Ireland
[21] MDA Natl Blood Serv Ctr, IL-52621 Ramat Gan, Israel
[22] Azienda Osped Verona, Serv Immunoematol & Trasfus, I-37126 Verona, Italy
[23] Japanese Red Cross Soc, Minato Ku, Tokyo 1058521, Japan
[24] Univ Malaya, Transfus Med Unit, Med Ctr, Kuala Lumpur 59100, Malaysia
[25] Sanquin Blood Bank SE Reg, Sanquin Blood Supply Fdn, NL-6525 GA Nijmegen, Netherlands
[26] New Zealand Blood Serv, Auckland 1142, New Zealand
[27] Karlstad Cent Hosp, Dept Transfus Med, Karlstad, Sweden
[28] Haukeland Hosp, Dept Transfus Med, N-5021 Bergen, Norway
[29] Inst Hematol & Transfus Med, PL-02776 Warsaw, Poland
[30] Inst Portugues Sangue, P-1749005 Lisbon, Portugal
[31] King Abdalaziz Univ Hosp, Jeddah, Saudi Arabia
[32] Hlth Sci Author, Blood Serv Grp, Singapore 169078, Singapore
[33] Banc Sang & Teixits, Div Hemodonat, Barcelona 08035, Spain
[34] Ctr Vasco Transfus & Tejidos Humanos, Galdakao 48960, Vizcaya, Spain
[35] Karolinska Univ Hosp, SE-14186 Stockholm, Sweden
[36] NHSBT Newcastle, Newcastle Upon Tyne NE2 4NQ, Tyne & Wear, England
[37] NHSBT Sheffield, Sheffield S5 7JN, S Yorkshire, England
[38] New York Blood Ctr, Long Isl City, NY 11101 USA
[39] Blood Syst, Scottsdale, AZ 85257 USA
[40] Blood Ctr Wisconsin, Milwaukee, WI 53201 USA
[41] Amer Red Cross, Natl Headquarters Jerome H Holland Lab, Rockville, MD 20855 USA
[42] Puget Sound Blood Ctr, Seattle, WA 98104 USA
[43] Esquina Pirineo, Dept Transfus Med, Banco Municipal Sangre Caracas, Caracas 1010, Venezuela