1. Department of Public Health and Clinical Medicine, Unit of Research and Development – Östersund, Umeå University, Sweden;
2. Unit of Research, Development and Education, Region Jämtland Härjedalen, Östersund Hospital, Östersund, Sweden;
3. Department of Public Health and Clinical Medicine, Division of Medicine, Umeå University, Sweden;
4. Department of Public Health and Clinical Medicine, Umeå University, Östersund, Sweden