1. Department of Family Medicine Korle Bu Teaching Hospital Accra Ghana
2. Department of Community Health University of Ghana Medical School Accra Ghana
3. Julius Global Health Julius Center for Health Sciences and Primary Care University Medical Center Utrecht Utrecht University Utrecht The Netherlands
4. Noguchi Memorial Institute for Medical Research University of Ghana Accra Ghana
5. Leicester Diabetes Centre University of Leicester Leicester UK
6. Division of Epidemiology and Biostatistics Faculty of Health Sciences School of Public Health University of the Witwatersrand Johannesburg South Africa