Guest Editors’ Introduction to the Special Section on Human-Centered Computing in Healthcare, Part 1: Defining Criteria and Process - Sean A. Munson; Helena M. Mentis; Katie Siek; Pei-Yi (Patricia) Kuo; Uichin Lee; Laurel D. Riek; Aneesha Singh; Jason Wiese (ACM Transactions on Computing for Healthcare, 2026)