1. Department of Population and Behavioural Sciences, School of Public Health, University of Health and Allied Sciences, Hohoe, Ghana
2. Department of Public Health, Walter Sisulu University, Mthatha, South Africa
3. Department of Nursing, Walter Sisulu University, Mthatha, South Africa
4. Department of Social Work and Psychology, Faculty of Humanities, Social Sciences and Law, Walter Sisulu University, Mthatha, South Africa
5. School of Nursing and Public Health, University of Kwazulu Natal, Durban, South Africa