1 Department of Public Health and Clinical Medicine, Unit of Research, Education and Development-Östersund, Umeå University, Umeå, Sweden. emma.nystrom@regionjh.se.
2 Department of Public Health and Clinical Medicine, Unit of Research, Education and Development-Östersund, Umeå University, Umeå, Sweden.
3 Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden.