Funding for this research was provided by:
National Institute of Diabetes and Digestive and Kidney Diseases (R01DK107566 and R01DK104730, Multiple, R01 DK113191 and K23 DK097201)
Received: 8 November 2018
Accepted: 17 January 2019
First Online: 20 February 2019
Ethics approval and consent to participate
: The study protocol was approved by: University of Pennsylvania Institutional Review Board (Federalwide Assurance # 00004028), Johns Hopkins Institutional Review Board (Study # NA_00044034/CIR00004697), The University of Maryland, Baltimore Institutional Review Board, University Hospitals Cleveland Medical Center Institutional Review Board, MetroHealth Institutional Review Board, Cleveland Clinic Foundation Institutional Review Board (IRB #5969), University of Michigan Medical School Institutional Review Board (IRBMED), Wayne State University Institutional Review Board,University of Illinois at Chicago Institutional Review Board, Tulane Human Research Protection Office, Institutional Review Boards, Biomedical Social Behavioral (reference#: 140987), and Kaiser Permanente Northern California Institutional Review Board. The study is in accordance with the Declaration of Helsinki. All participants provided written informed consent.
: Not applicable.
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