[1] ROYAL EDINBURGH & ASSOCIATED HOSP, EDINBURGH & SE SCOTLAND BLOOD TRANSFUS SERV, EDINBURGH EH3 9HB, MIDLOTHIAN, SCOTLAND
[2] UNIV EDINBURGH, DEPT MED MICROBIOL, EDINBURGH EH8 9AG, MIDLOTHIAN, SCOTLAND
[3] RUCHILL HOSP, SCOTTISH NATL BLOOD TRANSFUS SERV MICROBIOL REFER, GLASGOW, LANARK, SCOTLAND
[4] AUSTRALIAN RED CROSS SOC, BLOOD TRANSFUS SERV, PERTH, WA, AUSTRALIA
[5] FINNISH RED CROSS & BLOOD TRANSFUS SERV, SF-00310 HELSINKI, FINLAND
[6] HONG KONG RED CROSS, BLOOD TRANSFUS SERV, YAUMATEI, HONG KONG
[7] NATL INST HAEMATOL BLOOD TRANSFUS & IMMUNOL, H-1113 BUDAPEST, HUNGARY
[8] FUKUOKA RED CROSS, CTR BLOOD TRANSFUS, FUKUOKA 818, JAPAN
[9] MACAU BLOOD TRANSFUS CTR, Macau, Macao, PEOPLES R CHINA
[10] HOSP KUALA LUMPUR, NATL BLOOD SERV CTR, 50586 KUALA LUMPUR, MALAYSIA
[11] NETHERLANDS RED CROSS, BLOOD TRANSFUS SERV,CENT LAB, 1066 CX AMSTERDAM, NETHERLANDS
[12] RIYADH ARMED FORCES HOSP, RIYADH 11159, SAUDI ARABIA
[13] NATL BLOOD CTR, SINGAPORE BLOOD TRANSFUS SERV, SINGAPORE 0316, SINGAPORE
[14] NATAL BLOOD TRANSFUS SERV, NATAL INST IMMUNOL, DURBAN 4000, SOUTH AFRICA
[15] UNIV WITWATERSRAND, SCH MED, JOHANNESBURG, SOUTH AFRICA
[16] MACKAY MEM HOSP, NATL HLTH RES INST,TRANSFUS MED LAB, TAIPEI, TAIWAN
[17] THAI RED CROSS SOC, NATL BLOOD CTR, BANGKOK 10330, THAILAND
[18] CENT BLOOD BANK PITTSBURGH, PITTSBURGH, PA USA