aFaculty of Health Sciences and Sport, University of Stirling, Stirling
bDepartment of Social Statistics and Demography, University of Southampton, Southampton
cSchool of Public Health, Primary Care & Public Health, Imperial College, London, UK
d Department of Dental Public Health, Faculty of Dentistry, King Abdulaziz University, Jeddah
eMinistry of Health, Riyadh, Saudi Arabia
fWorld Health Organisation, Geneva, Switzerland
gCenter of Studies and Research, Ministry of Health, Muscat, Oman
hArab Board Family Medicine, Vulnerable Group Department, Community Development Authority, Dubai, United Arab Emirates
iPublic Health, Health & Vital Statistics, National Center of Health Information, Ministry of Health, Kuwait City, Kuwait
Received 4 June 2018 Accepted 25 July 2018
Correspondence to Andrew A. Channon, PhD, Department of Social Statistics and Demography, University of Southampton, Southampton SO17 1BJ, UK, Tel: + 44 238 059 5673; e-mail: [email protected]