1. Department of Health Policy and Management, Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, USA
2. Department of Child Health, School of Medical, Sciences, Kwame Nkrumah University of Science & Technology, Kumasi, Ghana
3. Research and Development Unit, Komfo Anokye Teaching Hospital, Kumasi, Ghana
4. Environmental Health Sciences, Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, USA