1. Department of Epidemiology and Global Health, Umeå International School of Public Health, Umeå University, Umeå, Sweden
2. Department of Psychology, Umeå University, Umeå, Sweden
3. Department of Community medicine and rehabilitation, Physiotherapy, Umeå University, Umeå, Sweden
4. Department of Nursing, Umeå University, Umeå, Sweden