An App-Based Mindfulness-Based Self-compassion Program to Support Caregivers of People With Dementia: Participatory Feasibility Study - Donna Goodridge; Nathan Reis; Jenna Neiser; Tim Haubrich; Bev Westberg; Laura Erickson-Lumb; Jo Storozinski; Cesar Gonzales; Joanne Michael; Allison Cammer; Nathaniel Osgood (JMIR Aging, 2021)