| Affiliation: | 1. Blood Systems Research Institute, San Francisco, California;2. University of California at San Francisco, San Francisco, California;3. South African National Blood Service, Weltevreden Park, South Africa;4. Chris‐Hani Baragwanath Hospital, Johannesburg, South Africa;5. University of Witwatersrand, Johannesburg, South Africa;6. Mowbray Maternity Hospital, Cape Town, South Africa;7. University of Cape Town, Cape Town, South Africa;8. King Edward VIII Hospital, Durban, South Africa;9. University of Kwazulu‐Natal, Durban, South Africa;10. Groote Schuur Hospital, Cape Town, South Africa;11. RTI International, Research Triangle Park, North Carolina |
