1. Northwestern University; Internal Medicine; Division of Cardiology; 201 E. Huron St. Galter 19-100 Chicago Illinois USA 60611
2. Warwick Medical School, University of Warwick; Division of Health Sciences; Coventry UK CV4 7AL
3. Wayne State University; Department of Medicine; 540 E Canfield St Detroit Michigan USA 48201
4. London School of Hygiene & Tropical Medicine; Department of Non-communicable Disease Epidemiology; Keppel Street London UK WC1E 7HT
5. Northwestern University Feinberg School of Medicine; Departments of Preventive Medicine and Medicine (Cardiology); 680 N. Lake Shore Drive, Suite 1400 Chicago IL USA 60611