Evaluation of the novel HEalthy Lifestyle Project (HELP) youth mental health e-intervention for lifestyle behaviour change and mental healthcare system impact: A randomized controlled trial protocol - Ria Patel; Patricia E. Longmuir; Marjorie Robb; Natasha Baechler; Kimberly Courtney; Mark Norris; Gary Goldfield; Fiona Cooligan; Shannon Watson; Paula Cloutier; Clare Gray (PLoS ONE, 2025)