Funding for this research was provided by:
National Institutes of Health (1P20GM104320)
National Institute of Food and Agriculture (2015-67017-23181, 2016-67001-25301)
U.S. Department of Agriculture (W-4002)
University of Nebraska-Lincoln (USDA Hatch Act)
Office of the President of the University of Nebraska (Foof for Health Initiative)
Received: 3 July 2019
Accepted: 31 October 2019
First Online: 13 January 2020
Ethics approval and consent to participate
: The Institutional Review Board (IRB) at the University of Nebraska- Lincoln approved the protocol used in this study (IRB Approval #: 20131013755FB), and all subjects signed an informed consent form before participation.
: Not applicable.
: J.Z. serves as consultant for PureTech Health, Inc. The authors declare that they have no competing interests.