1. Department of Family Medicine, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
2. Department of Basic Medical Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
3. College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA