1. Center for Psychology of Religion, Innlandet Hospital Trust, Hamar, Norway
2. MF Norwegian School of Theology, Oslo, Norway
3. Norwegian National Advisory Unit on Concurrent Substance Abuse and Mental Health Disorders, Innlandet Hospital Trust, Hamar, Norway
4. Faculty of Social and Health Sciences, Inland Norway University of Applied Sciences, Elverum, Norway
5. Department of Public Health and Clinical Medicine, Umeå University, Sweden
6. Department of Theology, Psychology of Religion and Cultural Psychology, Uppsala University, Sweden