1 Department of Community Health and Behavioral Sciences, Makerere University School of Public Health, College of Health Sciences, PO Box 7072, Kampala, Uganda. Electronic address: jkiguli@musph.ac.ug.
2 Family Health International 360, Kampala, Uganda.
3 Department of Community Health and Behavioral Sciences, Makerere University School of Public Health, College of Health Sciences, PO Box 7072, Kampala, Uganda.