[1] Yale Inst Global Hlth, New Haven, CT 06510 USA
[2] Yale Sch Publ Hlth, New Haven, CT 06510 USA
[3] Yale Univ, New Haven, CT 06520 USA
[4] Johns Hopkins Univ Hosp, Dept Med, Baltimore, MD 21205 USA
[5] King Feisal Specialists Hosp & Res Ctr, Dept Gastroenterol, Riyadh, Saudi Arabia
[6] King Saud Univ Hlth Sci, Minist Natl Guard, King Abdullah Specialist Childrens Hosp, Coll Med,Gen Pediat Dept, Riyadh, Saudi Arabia
[7] King Saud Univ, Coll Med, King Saud Univ Med City, Infect Dis Unit,Dept Internal Med, Riyadh, Saudi Arabia
[8] King Saud Univ, Coll Med, Pediat Dept, Pediat Intens Care Unit, Riyadh, Saudi Arabia
[9] Yale Sch Med, Dept Internal Med Infect Dis, New Haven, CT 06510 USA
[10] Yale Sch Nursing, Orange, CT 06477 USA
[11] King Saud Med City, Minist Hlth, Res & Innovat Ctr, Riyadh, Saudi Arabia
[12] Alfaisal Univ, Coll Med, Riyadh, Saudi Arabia
[13] Emory Univ, Rollins Sch Publ Hlth, Hubert Dept Global Hlth, Atlanta, GA 30322 USA