Funding for this research was provided by:
U.S. Department of Health & Human Services | NIH | National Institute of Allergy and Infectious Diseases (AI099380)
U.S. Department of Health & Human Services | NIH | National Institute of General Medical Sciences (P41-GM103422)
U.S. Department of Health & Human Services | NIH | National Institute of Diabetes and Digestive and Kidney Diseases (P60-DK20579, P30-DK56341)
Article History
Received: 12 December 2018
Accepted: 9 May 2019
First Online: 20 May 2019
Competing Interests
: The authors declare no competing interests.