Funding for this research was provided by:
National Institute of Arthritis and Musculoskeletal and Skin Diseases (AG045375)
U.S. Department of Veterans Affairs (RX000673)
Received: 8 August 2017
Accepted: 25 June 2018
First Online: 18 July 2018
: Animals were cared for in accordance with the guidelines set by the National Institutes of Health (NIH) on the care and use of laboratory animals. All procedures were approved by the Institutional Animal Care and Use Committee at UC Davis. All authors read and approved the final manuscript.
: Not applicable.
: The authors declare that they have no competing interests.
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