1. Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
2. Department of Medicine, University of Connecticut School of Medicine, Farmington, CT, USA
3. Church of Scotland Hospital, Tugela Ferry, South Africa
4. Philanjalo NGO, Tugela Ferry, South Africa
5. Aurum Institute, Johannesburg, South Africa
6. Department of Medicine and Pediatrics, Michigan Medicine, Ann Arbor, MI, USA
7. Institute of Behavioral Research, Texas Christian University, Fort Worth, TX, USA
8. Department of Medicine, Yale University School of Medicine, New Haven, CT, USA