1 Department of Health Sciences, College of Natural and Health Sciences, Zayed University, Dubai, United Arab Emirates.
2 Institut National de Santé Publique, d'Épidémiologie Clinique et de Toxicologie (INSPECT-LB), Faculty of Public Health, The Lebanese University, Fanar, Lebanon.
3 Department of Health Services Research, Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands.