Usual care
The teams assigned to the control group will not receive any training and will provide care as usual. Clients in the usual care group will have unrestricted access to mental and general health care, but are not allowed to participate in a structured lifestyle programme for the duration of the study. National guidelines are used as frame of reference for usual care, but the implementation of usual care is currently variable between teams and mental healthcare facilities. To obtain a clear overview of the care as usual as currently delivered, a questionnaire will be filled out at baseline for all participating teams focusing on the execution of somatic screening and lifestyle interventions.