Funding for this research was provided by:
National Cancer Institute (UM1 CA186107, UM1 CA176726, P01 CA87969, U19 CA148065, R01 CA166666)
National Institutes of Health (NIH T32 CA09001)
Susan G. Komen (IIR13264020, SAC110014)
Prevent Cancer Foundation (Awesome Games Done Quick)
Received: 3 October 2019
Accepted: 15 July 2020
First Online: 28 July 2020
Ethics approval and consent to participate
: The study protocol was approved by the institutional review boards of the Brigham and Women’s Hospital and Harvard T. H. Chan School of Public Health, and those of participating registries as required. Written informed consent was obtained from all study participants.
: not applicable.
: All authors declare no competing interests.