aDivision of Infectious Diseases, Emory University School of Medicine

bDepartment of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA

cBoston University Medical School, MA

dCardiovascular Medicine Division and Tennessee Valley Healthcare System, Vanderbilt University Medical Center, Nashville, TN

eYale University School of Medicine, New Haven

fConnecticut Veteran Health System, West Haven, CT

gAtlanta Veterans Affairs Healthcare System, Decatur

hHubert Department of Global Health, Rollins School of Public Health

iEmory Vaccine Center, Yerkes National Primate Research Center, Emory University, Atlanta, GA, USA.

Correspondence to Yan V. Sun, PhD, Department of Epidemiology, Emory University, 1518 Clifton Road NE #3049, Atlanta, GA 30322, USA. Tel: +1 404 727 9090; fax: +1 404 727 8737; e-mail: [email protected]

Received 2 December, 2021

Revised 2 April, 2022

Accepted 25 April, 2022

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