1. St. Francis Medical CenterDepartment of Internal Medicine, Seton Hall University School of Graduate Medical Sciences, South Orange, NJ, USA
2. St. Francis Medical CenterDepartment of Medicine, Seton Hall University School of Graduate Medical Sciences, South Orange, NJ, USA;
3. St. Francis Medical Center Department of PathologyJohns Hopkins University, South Orange, NJ, USA
4. Rawalpindi Medical CollegeDepartment of Radiology, Holy Family Hospital, Rawalpindi, Pakistan