1. Department of Radiology; St. Vincent's Medical Center; Bridgeport CT
2. Department of Radiology; SUNY Upstate Medical University; Syracuse NY
3. Department of Medicine; St. Vincent's Medical Center; Bridgeport CT
4. Department of Radiology and Biomedical Imaging; Yale School of Medicine; New Haven CT
5. Department of Radiology; University of Rochester Medical Center; Rochester NY
6. Department of Interventional Radiology; Sanford Aberdeen Clinic; Aberdeen SD