1. Directorate of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana
2. Department of Medicine, Kwame Nkrumah University of Science & Technology, School of Medicine & Dentistry (KSMD), Kumasi, Ghana
3. Department of Public & Occupational Health, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
4. Division of Cardiology, Rush University Medical Center, Chicago
5. School of Nursing, Johns Hopkins School of Nursing, Baltimore, MD, USA
6. Nursing Department, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
7. Department of Public & Occupational Health, Amsterdam UMC, University of Amsterdam Medical Center, Amsterdam, The Netherlands