1. Douglas Hospital Research Centre, McGill University, Montreal, Canada;
2. School of Public Health, University of Kinshasa, Kinshasa, Democratic Republic of the Congo;
3. Hôpital de la Cité-de-la Santé, Affiliated to the University of Montreal, Laval, Canada;
4. Centre National de Transfusion Sanguine, Kinshasa, Democratic Republic of the Congo;
5. Radiation Medical Science Center, Fukushima Medical University, Fukushima, Japan
6. Department of Blood Transfusion and Transplantation Immunology and Radiation Medical Science Center, Fukushima Medical University, Fukushima, Japan;