1. School of PsychologyThe University of Queensland St Lucia Australia
2. Research and Development, Australian Red Cross Lifeblood Kelvin Grove QLD 4059 Australia
3. Research and Development, Australian Red Cross Lifeblood Sydney NSW 2015 Australia
4. Héma‐Québec Quebec City Québec Canada
5. Canadian Blood Services Ottawa Ontario Canada
6. Vitalant Scottsdale Arizona
7. Department of Donor Medicine ResearchSanquin Research Amsterdam The Netherlands
8. Department of Sociology and Center for Philanthropic StudiesVrije Universiteit Amsterdam The Netherlands
9. Japanese Red Cross Society Blood Service Headquarters Tokyo Japan
10. Welsh Blood Service Pontyclun UK
11. New York Blood Center New York New York