[1] Qassim Univ, Coll Publ Hlth & Hlth Informat, Dept Publ Hlth, Al Bukairiyah 51941, Saudi Arabia
[2] Anglia Ruskin Univ, Fac Hlth Educ Med & Social Care, Sch Allied Hlth, Chelmsford CM1 1SQ, Essex, England
[3] Federat Univ Australia, Sch Hlth, Berwick, Vic 3806, Australia
[4] La Trobe Univ, Australia Inst Primary Care & Ageing AIPCA, Melbourne, Vic 3086, Australia
[5] Univ Airlangga, Fac Publ Hlth, Surabaya 60115, Indonesia
[6] United Arab Emirates Univ, POB 15551, Al Ain, U Arab Emirates
[7] Qassim Univ, Coll Med, Dept Family & Community Med, Buraydah 52571, Saudi Arabia