A Web-Based Decision Aid for Caregivers of Persons With Dementia With Firearm Access (Safe at Home Study): Protocol for a Randomized Controlled Trial - Virginia McCarthy; Jennifer Portz; Stacy M Fischer; Emily Greenway; Rachel L Johnson; Christopher E Knoepke; Daniel D Matlock; Faris Omeragic; Ryan A Peterson; Megan L Ranney; Marian E Betz (JMIR Research Protocols, 2023)