1. Department of Medicine McMaster University Hamilton Ontario Canada
2. McMaster Centre for Transfusion Research McMaster University Hamilton Ontario Canada
3. Department of Community Health Sciences University of Calgary Calgary Alberta Canada
4. Department of Pediatrics McMaster University Hamilton Ontario Canada
5. Department of Pediatrics Nuremberg General Hospital, Paracelsus Medical School Nuremberg Germany
6. Division of Transfusion Medicine, Department of Pathology & Laboratory Medicine (PaLM) Schulich School of Medicine and Dentistry, Western University London Ontario Canada
7. Division of Hematology, Department of Medicine Schulich School of Medicine and Dentistry, Western University London Ontario Canada