1. Department of Internal Medicine, John H. Stroger Jr. Hospital of Cook County, Chicago, IL, USA
2. Department of Hematology Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
3. Department of Internal Medicine, Tulane University School of Medicine, New Orleans, LA, USA
4. Department of Internal Medicine, St Elizabeth Hospital, Youngstown, OH, USA
5. Department of Pharmaceutical Sciences, Southern Illinois University Edwardsville, IL, USA
6. Department of Internal Medicine, Federal Medical Centre, Bida, Niger, Nigeria
7. Department of Hematology and Oncology, John H. Stroger Jr. Hospital of Cook County, Chicago, IL, USA