Received: 19 February 2021
Accepted: 8 April 2021
First Online: 17 April 2021
: Not applicable. This is not a clinical trial.
: The authors (SEK and MZB) grant BioMed Central a license to publish the article and identify itself as the original publisher.
: SEK and MZB have no relevant competing interests. The authors declare the following interests that are not relevant to the content of this letter:SEK and MZB have received grant funding from NIH/NCI.MZB has received grant funding from NIH/NIAID.SEK has received non-financial support from Celgene (drug donation for a clinical trial).SEK has received personal fees for endpoint adjudications in clinical trials from Pfizer and Applied Clinical Intelligence LLC.SEK has received royalties from Wolters-Kluwer/UpToDate.