1. University of Turku; Department of Nursing Science; Turku Finland
2. Turku University Hospital; Turku Finland
3. Turku University of Applied Sciences; Health and Social Science; Rusikatu 8 Turku Finland 20720
4. The Helsinki University Central Hospital; Psychiatric Unit, Outpatient Clinic for Adolescents; Tammipääntie 40 Espoo Uusimaa Finland 02730
5. The University of Nottingham; Cochrane Schizophrenia Group; Institute of Mental Health University of Nottingham Innovation Park, Triumph Road, Nottingham UK NG7 2TU