1. Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
2. University of Maryland Global Campus, Adelphi, MD, USA
3. OSU College of Osteopathic Medicine, Tulsa, OK, USA
4. Independent Health Services Research & Evaluation Consultant, Baltimore, MD, USA
5. MedStar Southern Maryland Hospital Center, Clinton, MD, USA
6. Medstar St. Mary’s Hospital, Leonardtown, MD, USA
7. Prince George’s County Department of Health, Silver Spring, MD, USA