Acceptability and Effectiveness of a Fully Web-Based Nutrition and Exercise Program for Individuals With Chronic Disease During COVID-19: Randomized Controlled Trial. - Tandon P; Ismond KP; Purdy G; Cruz C; Etruw E; Suderman K; Hyde A; Stickland M; Spence JC; Lien DC; Bhanji R; Prado CM; et al. (Journal of medical Internet research, 2025)