[1] Vitalant Res Inst, San Francisco, CA USA
[2] Univ Calif San Francisco, San Francisco, CA 94143 USA
[3] Amer Red Cross, Washington, DC 20006 USA
[4] OneBlood Inc, Orlando, FL USA
[5] New York Blood Ctr, New York, NY 10021 USA
[6] Vitalant, Scottsdale, AZ USA
[7] US FDA, Rockville, MD 20857 USA