1. Department of Vascular Surgery, California University of Science and Medicine , 1501 Violet Street, Colton, CA 92324 , United States
2. Department of Vascular Surgery , Arrowhead Regional Medical Center, 400 N Pepper Ave, Colton, CA 92324 , United States
3. Department of Neurosurgery , California University of Science and Medicine, 1501 Violet St, CA 92324 , United States
4. Department of Orthopedic Surgery , Arrowhead Regional Medical Center, 400 N Pepper Ave, CA 92324 , United States