#chatsafe 2.0. updated guidelines to support young people to communicate safely online about self-harm and suicide: A Delphi expert consensus study. - Robinson, Jo; Thorn, Pinar; McKay, Samuel; Hemming, Laura; Battersby-Coulter, Rikki; Cooper, Charlie; Veresova, Maria; Li, Angela; Reavley, Nicola; Rice, Simon; Lamblin, Michelle; Pirkis, Jane; et al. (PLoS ONE, 2023)