1. The Balanced Body Center, Matthews, NC 28105, USA
2. Biokinemetrics, Inc., Carroll, IA 51401, USA
3. Institute for Spinal Health and Performance, Folsom, CA 95630, USA
4. Community Based Internship Program, Associate Faculty, Southern California University of Health Sciences, Whittier, CA 90604, USA
5. Chair, Radiology Department, Sherman College of Chiropractic, Boiling Springs, SC 29316, USA