[1] King Saud ben Abdulaziz University for Health Sciences,Department of Health Systems and Management, College of Public Health and Health Informatics, King Abdullah International Medical Research Center
[2] Ministry of the National Guard Health Affairs,Primary Care and Public Health Department, School of Public health
[3] King Abdullah International Medical Research Center,undefined
[4] Imperial College London,undefined
[5] Department of Epidemiology and Biostatistics,undefined
[6] College of Public Health and Health Informatics,undefined
[7] King Abdullah International Medical Research Center,undefined
[8] King Saud ben Abdulaziz University for Health Sciences,undefined
[9] Ministry of the National Guard Health Affairs,undefined