Funding for this research was provided by:
Division of Cancer Epidemiology and Genetics, National Cancer Institute
Received: 14 August 2020
Accepted: 25 January 2021
First Online: 17 February 2021
Ethics approval and consent to participate
: This study used de-identified data from the National Cancer Institute’s Surveillance, Epidemiology and End Results program and informed consent was not required.
: Not applicable.
: The authors declare that they have no competing interests.