About the Authors

M. Reza Zariffard

Affiliation Department of Immunology/Microbiology, Rush University Medical Center, Chicago, Illinois, United States of America

Kathryn Anastos

Affiliation Departments of Medicine and Epidemiology & Population Health, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, New York, United States of America

Audrey L. French

Affiliation Ruth M. Rothstein CORE Center, Stroger Hospital of Cook County, Chicago, Illinois, United States of America

Elisaphane Munyazesa

Affiliation Rwanda Biomedical Center, National Reference Laboratory Division, Laboratory Quality Assurance Direction, Kigali, Rwanda

Mardge Cohen

Affiliation Ruth M. Rothstein CORE Center, Stroger Hospital of Cook County, Chicago, Illinois, United States of America

Alan L. Landay

Affiliation Department of Immunology/Microbiology, Rush University Medical Center, Chicago, Illinois, United States of America

Gregory T. Spear

gspear@rush.edu

Affiliation Department of Immunology/Microbiology, Rush University Medical Center, Chicago, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MRZ AL GTS. Performed the experiments: MRZ. Analyzed the data: MRZ AL GTS. Contributed reagents/materials/analysis tools: KA ALF EM MC. Wrote the paper: MRZ KA ALF MC GTS.