1. Computer Science Department, American University of Beirut, Beirut, Lebanon
2. Center for Research on Population and Health, American University of Beirut, Beirut, Lebanon
3. Nutrition Surveillance and Epidemiology in Tunisia (SURVEN) Research Laboratory, National Institute of Nutrition and Food Technology (INNTA), Tunis, Tunisia
4. Department of Public Health, Institute of Tropical Medicine, Antwerp, Belgium