Right-click in the right-side panel and click on New > Key. Set the name of this newly created Key to what the entry should be labeled in the right-click context menu. As an example, I have named it ...
The author(s) indicated no potential conflicts of interest. Corresponding author: Boris Freidlin, PhD, Biometric Research Branch, National Cancer Institute, 6130 Executive Blvd, EPN 8122, MSC 7434, ...