1. Department of Family and Community Medicine, Faculty of Medicine, University of Jeddah, Jeddah 21589, Saudi Arabia
2. College of Pharmacy, King Khalid University, Abha 61421, Saudi Arabia
3. Department of Preventive Medicine, Armed Forced Hospitals Southern Region, Khamis Mushayt 61961, Saudi Arabia
4. College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, QLD 4811, Australia
5. School of Pharmacy, Monash University, Bandar Sunway, Selangor 47500 Malaysia
6. National Centre for Immunisation Research and Surveillance (NCIRS), Westmead, NSW 2145, Australia
7. Discipline of Child and Adolescent Health, The Children’s Hospital at Westmead Clinical School, NSW 2145, Australia
8. Marie Bashir Institute for Infectious Diseases and Biosecurity, School of Biological Sciences and Sydney Medical School, The University of Sydney, NSW 2145, Australia