From the aDepartment of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA

bDivision of Pharmacoepidemiology, Department of Medicine, Brigham and Women’s Hospital, Boston, MA

cHarvard Medical School, Boston, MA

dDepartment of Dermatology, Brigham and Women’s Hospital, Boston, MA.

Submitted August 2, 2023; accepted November 21, 2023

This work received no direct funding. Walker serves on a Scientific Advisory Committee for AstraZeneca. Schneeweiss has received research grants to the Brigham and Women’s Hospital from UCB Pharma. For each, the compensated work is unrelated to the topic of this study.

The authors report no conflicts of interest.

Supplemental digital content is available through direct URL citations in the HTML and PDF versions of this article (www.epidem.com).

The data set used for the example consists of patient-level data and is not available for distribution. Key computer code appears in the Supplementary Material. Complete code is available from the Corresponding Author.

Correspondence: Alexander M. Walker, Department of Epidemiology, Harvard T.H. Chan School of Public Health, 677 Huntington Avenue, Boston, MA 02115. E-mail: [email protected].