Elie A Akl1,2
, Nancy Maroun3
, Stella Major4
, Claude Afif5
, Abir Abdo6
, Jacques Choucair7
, Mazen Sakr8
, Carl K Li2
, Brydon JB Grant1,2
and Holger J Schünemann9 
1Department of Medicine, University at buffalo, NY, USA
2Department of Social and Preventive Medicine, University at buffalo, NY, USA
3Department of Sociology, University at buffalo, NY, USA
4Division of Epidemiology, Public Health and Primary Care, Imperial College School of Medicine in London, UK
5Department of Medicine, University of Balamand, Beirut, Lebanon
6Department of Medicine, Lebanese University, Beirut, Lebanon
7Department of Medicine, Université Saint Joseph, Beirut, Lebanon
8Department of Medicine, Beirut Arab University, Beirut, Lebanon
9Dept. of Epidemiology & INFORMA, Italian National Cancer Institute Regina Elena, Rome, Italy