JMIR, J. med. internet res. JMIR, J. med. internet res. Effectiveness of an online self-guided intervention (MINDxYOU) for reducing stress and promoting mental health among health professionals: results from a stepped wedge cluster-randomized trial (Preprint) López-del-Hoyo Yolanda Universidad de Zaragoza Fernández-Martínez Selene Universidad de Zaragoza Perez-Aranda Adrian Monreal-Bartolomé Alicia Universidad de Zaragoza Barceló-Soler Alberto Universidad de Zaragoza Camarero-Grados Loreto Universidad de Zaragoza Armas-Landaeta Carilene Guzmán-Parra José Carbonell Vera Campos Daniel Universidad de Zaragoza Chen Xinyuan García-Campayo Javier Universidad de Zaragoza 2025 research-article