BE Smart - Bariatric Patient - Empowerment in the Preparation and Follow-up of Bariatric Surgery Using the Smartvisit App (BESmart)

"Patients use an obesity-adapted version of aycan's Smartvisit app, which helps track specific behaviors (diet, exercise), query potential problems/complaints, and manage medical documents in a structured way.~A study nurse experienced in the field of nutrition/obesity contacts the patient if necessary and establishes contact with the center physician."