Financial & competing interests disclosure
This work was supported by the intramural research program of the center for cancer research, the National Cancer Institute to XW Wang (Z01-BC010876) and by the National Cancer Institute to W Xue (5R00CA169512). The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.