Funding for this research was provided by:
National Institutes of Health (R35GM133420)
U.S. Department of Energy (DE-AC02-05CH11231)
National Institute of Dental and Craniofacial Research (DE022586, DE024468, DE016937)
G. Unger Vetlesen Foundation
University of Chicago (Frank R. Lillie Research Innovation Award)
Gastro-Intestinal Research Foundation
The Mutchnik Family Fund
Received: 20 May 2020
Accepted: 4 November 2020
First Online: 16 December 2020
Ethics approval and consent to participate
: We recruited human subjects and collected samples according to protocol #15-247 as approved by New England IRB (Needham, Massachusetts, USA) and in accordance with the Declaration of Helsinki. All subjects provided informed consent prior to sampling.
: Not applicable.
: The authors declare that they have no competing interests.