[1] Johns Hopkins Aramco Healthcare, Infect Dis Unit, Specialty Internal Med, Dhahran, Saudi Arabia
[2] Indiana Univ Sch Med, Indianapolis, IN 46202 USA
[3] Johns Hopkins Univ, Baltimore, MD USA
[4] Minist Hlth, King Saud Med City, Riyadh, Saudi Arabia
[5] Alfaisal Univ, Riyadh, Saudi Arabia
[6] Emory Univ, Rollins Sch Publ Hlth, Hubert Dept Global Hlth, Atlanta, GA 30322 USA
[7] UCL, Ctr Clin Microbiol, Dept Infect, Div Infect & Immun, London, England
[8] UCL Hosp NHS Fdn Trust, NIHR Biomed Res Ctr, London, England