1. College of Dental Medicine, Roseman University of Health Sciences, 10894 S. River Front Parkway, South Jordan, UT 84095, USA
2. Division of Public Health, University of Utah, Salt Lake City, UT 84108, USA
3. Department of Orthopaedic Surgery Operations, University of Utah, Salt Lake City, UT 84108, USA
4. George E. Wahlen Department, Veterans Affairs Medical Center, Salt Lake City, UT 84148, USA