1. Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, Minnesota, USA.
2. Department of Nursing, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.
3. Division of Health Policy and Management, University of Minnesota, Minneapolis, Minnesota, USA.
4. Department of Global Health, School of Public Health, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.
5. Ministry of Health, Accra, Ghana.
6. Department of Medical Oncology and Radiation, Komfo Anokye Teaching Hospital, Kumasi, Ghana.
7. School of Nursing, University of Minnesota, Minneapolis, Minnesota, USA.