Liew, Jean
Lucas Williams, J.
Dobscha, Steven
Barton, Jennifer L.
Funding for this research was provided by:
National Institutes of Health (K23-AR-064372)
Article History
Received: 17 April 2017
Accepted: 17 August 2017
First Online: 24 August 2017
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the institutional review board of the Veterans Affairs Portland Health Care System and has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent for individual participants included in the study was waived by the institutional review board of the Veterans Affairs Portland Health Care System, as individuals were not contacted by study coordinators and individual data was de-identified.