A Smartphone-Based Psychological Intervention for Nonsuicidal Self-Injury (Kalmer App): Protocol for a Multicenter Double-Blind Randomized Controlled Trial

Anna Julià   ^{1, 2, 3} , MSc, MPGS ;   Irene Jaén   ⁴ , PhD ;   Mónica Conesa Giménez   ⁵ , MPGS ;   Azucena García-Palacios   ^{5, 6} , PhD ;   Juan C Pascual   ^{7, 8} , MD, PhD ;   Anna Sintes Estévez   ⁹ , ClinPsy, PhD ;   Anaís Lara   ¹⁰ , ClinPsy ;   Iria Méndez   ¹¹ , MD, PhD ;   Soledad Romero   ^{8, 12, 13} , MD, PhD ;   Joaquim Puntí   ^{8, 14, 15} , ClinPsy ;   Joaquim Soler   ^{2, 8, 16} , ClinPsy, PhD ;   Jordi Solé-Casals   ^{17, 18} , PhD ;   Marina López-Solà   ^{13, 19, 20} , PhD ;   Daniel Vega   ^{1, 3} , ClinPsy, PhD

¹ Fundació Sanitària d’Igualada, Igualada, Spain

² Department of Psychiatry and Forensic Medicine, School of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain

³ Department of Psychiatry, Hospital Universitari d’Igualada, Consorci Sanitari de l'Anoia, Igualada, Spain

⁴ Department of Developmental, Educational, Social and Methodology Psychology, Universitat Jaume I, Castellón de la Plana, Spain

⁵ Department of Basic and Clinical Psychology and Psychobiology, Universitat Jaume I, Castellón de la Plana, Spain

⁶ CIBER de Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain

⁷ Mental Health and Psychiatry Department, Vic Hospital Consortium, Vic, Spain

⁸ Centro de Investigación Biomédica en Red de Salud Mental, Instituto de Salud Carlos III, Madrid, Madrid, Spain

⁹ Servicio de Psiquiatría y Psicología, Hospital Sant Joan de Déu Barcelona, Barcelona, Catalonia, Spain

¹⁰ Servicio de Salud Mental Infanto Juvenil, ALTHAIA, Xarxa Assistencial Universitaria de Manresa, Manresa, Spain

¹¹ Servei de Psiquiatria & Psicologia Infantil Juvenil, Hospital Universitari Mútua de Terrassa, Fundació Recerca Mútua de Terrassa, Terrassa, Spain

¹² Department of Child and Adolescent Psychiatry and Psychology, 2021SGR01319, Institute of Neuroscience, Hospital Clínic de Barcelona, Barcelona, Spain

¹³ Neuropsychology and Neuroimaging Group, Clinical and Experimental Neurosciences Area, IDIBAPS, Barcelona, Spain

¹⁴ Salut Mental, Corporació Sanitària Parc Taulí de Sabadell, Sabadell, Spain

¹⁵ Department of Clinical and Health Psychology, Faculty of Psychology and Speech Therapy, Universitat Autònoma de Barcelona, Barcelona, Spain

¹⁶ Department of Psychiatry, Hospital de la Santa Creu i Sant Pau, Institut d’Investigació Biomèdica- Sant Pau (IIB-SANT PAU), Barcelona, Spain

¹⁷ Data and Signal Processing Group, Universitat de Vic - Universitat Central de Catalunya, Vic, Spain

¹⁸ Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom

¹⁹ Department of Medicine, Unit of Psychological Medicine, Universitat de Barcelona, Barcelona, Spain

²⁰ Institute of Neurosciences, Universitat de Barcelona, Barcelona, Catalonia, Spain