Funding for this research was provided by:
National Institute of Diabetes and Digestive and Kidney Diseases (P30 DK072488-13)
Received: 18 March 2020
Accepted: 15 May 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: The study protocol was approved by the Johns Hopkins Medicine Institutional Review Board and women provided informed consent at enrollment.
: Not applicable.
: The authors declare that they have no competing interests.