1. Department of Medicine, University of California Irvine School of Medicine, 333 City Boulevard West, Suite 400, Orange, CA 92868, USA
2. Creighton University School of Medicine, Phoenix Regional Campus, 350 W Thomas Road, Phoenix, AZ 85013, USA
3. Department of Radiology, St. Joseph’s Hospital, 350 W Thomas Road, Phoenix, AZ 85013, USA