Adolescents' Beliefs About Peers' Engagement in an Online Self-Harm Challenge: Exploring the Role of Individual Characteristics Through a Latent Class Analysis. - Daniela Villani; Eleonora Florio; Angela Sorgente; Ilaria Castelli; Giuseppe Riva 001; Antonella Marchetti; Davide Massaro (Cyberpsychology Behav. Soc. Netw., 2019)