1. Global Health Program, College of Public Health, National Taiwan University, Taipei, Taiwan;
2. National Taiwan University Children’s Hospital, Taipei, Taiwan;
3. Eye, Ear, Nose and Throat Department, Komfo Anokye Teaching Hospital, Kumasi, Ghana;
4. Public Health Department, Komfo Anokye Teaching Hospital, Kumasi, Ghana;
5. Graduate Centre of Management, Cape Peninsula University of Technology, Cape Town, South Africa;
6. Pantang Hospital, Ghana Health Service, Accra, Ghana;
7. Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan;
8. Center for Neuropsychiatric Research, National Health Research Institutes, Miaoli, Taiwan