*Palmer Center for Chiropractic Research, Davenport, IA
†Physical Medicine and Integrative Care Services, Fort Bliss, TX
‡Samueli Institute, Alexandria, VA
§Palmer College of Chiropractic, Davenport, IA
¶TriMax Direct, Saint Paul, MN; and
‖Palmer College of Chiropractic, San Jose, CA.
Address correspondence and reprint requests to Christine M. Goertz, DC, PhD, Palmer Center for Chiropractic Research, 741 Brady St, Davenport, IA 52803; E-mail: [email protected]
Acknowledgment date: May 15, 2012. First revision date: August 17, 2012. Acceptance date: September 30, 2012.
The manuscript submitted does not contain information about medical device(s)/drug(s).
Samueli Institute grant funds were received to support this work. Some of this work was conducted in a facility constructed with support from Research Facilities Improvement Grant (C06 RR15433) from the National Center for Research Resources, National Institutes of Health.
No relevant financial activities outside the submitted work.