Kayla Hanson, BA1, Gordon Mansergh, PhD, MA2, Beryl Koblin, PhD3, David McKirnan, PhD4, Stephen Flores, PhD5, Sharon M. Hudson, PhD6 and Grant Colfax, MD7
(1)CDC, atlanta, GA, (2)US Centers for Disease Control and Prevention, Atlanta, GA, (3)New York Blood Center, New York, NY, (4)University of Illinois at Chicago, Chicago, IL, (5)Centers for Disease Control and Prevention; Division of HIV/AIDS Prevention, Atlanta, GA, (6)Kaiser Permanente Southern California, Pasadena, CA, (7)San Francisco Department of Public Health, San Francisco, CA