1. Department of Internal Medicine, John H. Stroger Jr. Hospital of Cook County, Chicago, Illinois, USA
2. Department of Internal Medicine, Jefferson-Einstein Hospital, Philadelphia, Pennsylvania, USA
3. Department of Pharmaceutical Sciences, Southern Illinois University Edwardsville, Edwardsville, Illinois, USA
4. Department of Medicine and Surgery, University of Ilorin, Ilorin, Nigeria
5. Department of Medicine and Surgery, Ladoke Akintola University of Technology, Ogbomosho, Nigeria
6. Department of General Internal Medicine, John H. Stroger Jr. Hospital of Cook County, Chicago, Illinois, USA
7. Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
8. Department of Hematology and Oncology, John H. Stroger Jr. Hospital of Cook County, Chicago, Illinois, USA