[1
]International Blood Group Reference Laboratory; NHS Blood and Transplant; Bristol;
UK
[2
]North of Scotland Blood Transfusion Centre; Raigmore Hospital; Inverness; UK
[3
]Red Cell Immunohaematology; NHS Blood and Transplant; Bristol; UK
[4
]Blood Transfusion; Cheltenham General Hospital; Cheltenham; UK
[5
]Red Cell Immunohaematology; NHS Blood and Transplant; London; UK