Funding for this research was provided by:
National Cancer Institute (U10CA180821)
Received: 20 April 2021
Accepted: 25 June 2021
First Online: 6 July 2021
: All study protocols were approved by the Institutional Review Boards at each participating center in accordance with the Declaration of Helsinki. Each patient provided written informed consent for the research use of their specimens before enrollment.
: Not applicable.
: The authors declare that they have no competing interests.