1Associate Professor, Basic Sciences Department, Northwestern Health Sciences University, Bloomington, MN 55431-1599
2Associate Professor, Clinical Sciences Department, Northwestern Health Sciences University, Bloomington, MN
3Associate Professor, Retired, Clinical Sciences Department, Northwestern Health Sciences University, Bloomington, MN
4Clinician, Hennepin County Medical Center, Hennepin Faculty Associates, Alternative Medical Clinic, Minneapolis, MN 55404
5Student, Northwestern College of Chiropractic, Northwestern Health Sciences University, Bloomington, MN 55431-1599