A Mobile App (Joint Effort) to Support Cannabis Use Self-Management and Reinforce the Use of Protective Behavioral Strategies: Development Process and Usability Testing

José Côté   ^{1, 2, 3} , PhD ;   Patricia Auger   ^{2, 3} , MSc ;   Gabrielle Chicoine   ^{3, 4} , PhD ;   Jinghui Cheng   ⁵ , PhD ;   Sylvie Cossette   ^{1, 6} , PhD ;   Guillaume Fontaine   ^{7, 8, 9, 10, 11} , PhD ;   Christine Genest   ^{1, 12} , PhD ;   Shalini Lal   ^{2, 13, 14} , PhD ;   Judith Lapierre   ^{15, 16} , PhD ;   M Gabrielle Pagé   ^{2, 17} , PhD ;   Marc-André Maheu-Cadotte   ¹ , PhD ;   Geneviève Rouleau   ^{3, 18, 19, 20} , PhD ;   Billy Vinette   ^{1, 3} , PhD ;   Didier Jutras-Aswad   ^{2, 21} , MD

¹ Faculty of Nursing, Université de Montréal, Montreal, QC, Canada

² Research Centre, Centre Hospitalier de l’Université de Montréal, Montreal, QC, Canada

³ Research Chair in Innovative Nursing Practices, Montreal, QC, Canada

⁴ Knowledge Translation Program, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada

⁵ Department of Computer Engineering and Software Engineering, Polytechnique Montréal, Montreal, QC, Canada

⁶ Montreal Heart Institute, Montreal, QC, Canada

⁷ Ingram School of Nursing, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada

⁸ Centre for Clinical Epidemiology, Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, QC, Canada

⁹ Centre for Nursing Research, Jewish General Hospital, Montreal, QC, Canada

¹⁰ Viral Hepatitis Clinical Research Program, Kirby Institute, UNSW Sydney, Sydney, Australia

¹¹ Centre for Implementation Research, Methodological and Implementation Research Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada

¹² Centre d’étude sur le trauma, Research Centre, Hôpital Louis-H Lafontaine, Montreal, QC, Canada

¹³ School of Rehabilitation, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada

¹⁴ Douglas Research Centre, Douglas Mental Health University Institute, Montreal, QC, Canada

¹⁵ Faculty of Nursing, Université Laval, Québec, QC, Canada

¹⁶ Center for Research on Social Innovations, Université Laval, Quebec, QC, Canada

¹⁷ Departement of Anesthesioloy and Pain Medecine, Faculty of Medecine, Université de Montréal, Montreal, QC, Canada

¹⁸ Department of Nursing, Université du Québec en Outaouais, Gatineau, QC, Canada

¹⁹ Institute for Health System Solutions and Virtual Care, Women's College Hospital, Toronto, ON, Canada

²⁰ Institut du Savoir Montfort, Ottawa, ON, Canada

²¹ Department of Psychiatry and Addictology, Faculty of Medecine, Université de Montréal, Montreal, QC, Canada