1. Department of Disease Control and Environmental Health, School of Public Health, College of Health Sciences, Makerere University, Kampala, Uganda
2. School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
3. Department of Health Policy, Planning and Management, School of Public Health, College of Health Sciences, Makerere University, Kampala, Uganda
4. Global Health Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden