1. Department of Diagnostic Radiology & Nuclear Medicine; University of Maryland School of Medicine; Baltimore MD USA
2. Department of Radiology; Baltimore Veteran's Affairs Medical Center; Baltimore MD USA
3. Department of Internal Medicine; Mercy Medical Center; Baltimore MD USA
4. Department of Dermatology and Cutaneous Biology; Thomas Jefferson University Hospital; Philadelphia PA USA
5. Department of Diagnostic Radiology; University of Washington Medical Center; Baltimore MD USA
6. Department of Dermatology; Wayne State University Medical Center; Detroit MI USA