Individual goal setting: To measure the patients motivation for physical activity using the IW app in group 2 and 3, we ask the patients to set individual goals every 4th week, related to their everyday life, during the intervention period (group 2 (4-18 weeks) and group 3 (0-52 weeks) (40) - The goal setting is based on the S.M.A.R.T.-principle where S stands for Specific, M for Measurable, A for achievable , R for relevant and T for timely (41).