1. Department of Nursing, Umeå University, Umeå, Sweden
2. Division of Psychiatry, Department of Clinical Sciences, Umeå University, Umeå, Sweden
3. Department of Odontology, Umeå University, Umeå, Sweden
4. Department of Paediatrics, Umeå University Hospital, Umeå, Sweden
5. Department of Health Sciences, University West, Trollhättan, Sweden