1. Laboratory of Psychosomatics and Clinimetrics, Department of Psychology; University of Bologna; Bologna Italy
2. Psychiatric Research Unit, Mental Health Centre, North Zealand; University of Copenhagen; Hillerod Denmark
3. PAIDI Research Group on Epidemiology and Psychometrics in Health and Behavioural Sciences; University of Malaga; Malaga Spain
4. Department of Psychiatry; Saint Antoine Hospital, EA 3522, Centre de Recherches Psychanalyse, Médecine et Société (CRPMS); Paris France
5. Institute of Clinical Psychology and Psychotherapy & Center for Epidemiology and Longitudinal Studies (CELOS); Technische Universität Dresden; Dresden Germany
6. Clinical Psychology and Psychotherapy; University of Marburg; Marburg Germany