Funding for this research was provided by:
National Institute of Diabetes and Digestive and Kidney Diseases (1R18DK114701-01)
Received: 15 November 2018
Accepted: 8 January 2019
First Online: 28 January 2019
Ethics approval and consent to participate
: This study was approved by the Kaiser Permanente Northwest Institutional Review Board.
: Not applicable
: The authors declare that they have no competing interests.
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