Funding for this research was provided by:
U.S. Department of Veterans Affairs (VA CDA-2-069-09S)
U.S. Department of Health & Human Services | NIH | National Institute of General Medical Sciences (P20GM109007)
U.S. Department of Health & Human Services | National Institutes of Health (2T32AI007508-16)
Article History
Received: 13 August 2018
Accepted: 21 August 2018
First Online: 12 September 2018
Change Date: 10 July 2019
Change Type: Correction
Change Details: Due to a technical error, content intended for publication in Volume 4 (2018) published in Volume 5 (2019). The content has been moved into the correct volume, and the citation information was updated accordingly.
Conflict of interest
: The authors declare that they have no conflict of interest.