[1] Fac Hlth Sci, Dept Epidemiol & Populat Hlth, Beirut, Lebanon
[2] Amer Univ Beirut, Global Evidence Synth Initiat GESI Secretariat, Beirut, Lebanon
[3] Amer Univ Beirut, Univ Lib, Beirut, Lebanon
[4] Amer Univ Beirut, Dept Internal Med, Beirut, Lebanon
[5] McMaster Univ, Dept Hlth Res Methods Evidence & Impact HEI, Hamilton, ON, Canada
[6] Univ Iowa, Coll Publ Hlth, Dept Community & Behav Hlth, 145 N Riverside Dr, Iowa City, IA 52242 USA