A New Digital Health Program for Patients With Inflammatory Bowel Disease: Preliminary Program Evaluation - Saemundur Jon Oddsson; Thrudur Gunnarsdottir; Lilja Gudrun Johannsdottir; Maria Lovisa Amundadottir; Arna Frimannsdottir; Pauliina Molander; Anna Karoliina Ylanne; Anna Sigridur Islind; Maria Oskarsdottir; Tryggvi Thorgeirsson (JMIR Formative Research, 2023)