The effectiveness of a 'EspaiJove.net'- a school-based intervention programme in increasing mental health knowledge, help seeking and reducing stigma attitudes in the adolescent population: a cluster randomised controlled trial - Rocío Casañas; Pere Castellvi; Juan-José Gil; María Torres-Torres; Jesica Barón; Mercè Teixidó; Hernán María Sampietro; Marta Díez; Raúl Fernández; Raquel Sorli; Patricia Siñol; Francisca Jurado; et al. (BMC Public Health, 2022)