Funding for this research was provided by:
Health Resources and Services Administration (R18HP15126)
National Center for Research Resources (C06-RR015433)
Received: 19 June 2017
Accepted: 8 October 2017
First Online: 13 October 2017
Ethics approval and consent to participate
: The institutional review boards at the Palmer College of Chiropractic (2011G138) and Genesis Health System (11–005) approved the study protocol. Participants provided written informed consent.
: Not applicable.
: No competing interests were declared by CMG, SAS, CRL, RDV, AAA, MAH, KJL, LZK, or FDW. RBW declared he is a clinical trial monitor for Glysure, LTD, London, England.
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