1. Department of Public Health Medicine, School of Nursing and Public Health, University of KwaZulu-Natal, Durban 4041, South Africa
2. Department of Population and Health, University of Cape Coast, Cape Coast,PMB, Ghana
3. School of Public Health, University of Technology, Sydney, NSW 2007, Australia
4. College of Public Health, Medical and Veterinary Services, James Cook University, Townsville, Queensland, QLD4811, Australia
5. Department of Estate Management, Takoradi Technical University, P.O. Box 256, Takoradi, Ghana
6. John’s Hopkins Centre for Communications Programs, 111 Market Place Suite 310 Baltimore, MD, USA