Promoting mental well-being among secondary school students in Vietnam using the Y-MIND app: A protocol for a hybrid type 2, sequence pre-post, quasi-experimental study - Jill K. Murphy; Vu Cong Nguyen; Dang Thuy Linh; Hui Xie; Thu H. Tran; Skye P. Barbic; Leena W. Chau; Hasina Samji; Harry Minas; Minh Vu Nguyen; Anthony Obrzut; John O’Neil; et al. (PLoS ONE, 2025)