1. Department of Internal Medicine, University of Kentucky College of Medicine, Bowling Green, Kentucky;
2. Department of Internal Medicine, McLaren Flint–Michigan State University, Flint, Michigan;
3. Gulab Devi Hospital, Lahore, Pakistan;
4. Department of Radiology, Salam Medical Complex, Lahore, Pakistan;
5. Department of Hematology/Oncology, University of Kentucky College of Medicine, Bowling Green, Kentucky