CiltThe Effects of Internet-based Cognitive Behavioral Therapy for Suicidal Ideation Or Behaviors on Depression, Anxiety, and Hopelessness in Individuals with Suicidal Ideation: Systematic Review and Meta-analysis of Individual Participant DataLasse Sander, Marie Beisemann, Philipp Doebler, Hannah M. Micklitz, Ad Kerkhof, Pim Cuijpers, Philip J. Batterham, Alison L. Calear, Helen Christensen, Eva de Jaegere, Matthias Domhardt, Annette Møller Erlangsen, Ozlem Eylem-van Bergeijk, Ryan Hill, Charlotte Mühlmann, Marie Österle, Jeremy W. Pettit, Gwendolyn Portzky, Lena Steubl, Bregje A. J. van Spijker, Joseph Tighe, Aliza Werner-Seidler, Rebekka Büscher