| Authors: |
Backman H; OLIN and Sunderby Research Unit, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden. Electronic address: helena.backman@norrbotten.se., Myrberg T; Department of Diagnostics and Intervention, Anesthesiology and Intensive Care Medicine (T. M.), Umeå University, Umeå, Sweden., Hedman L; OLIN and Sunderby Research Unit, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden., Stridsman C; OLIN and Sunderby Research Unit, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden., Rönmark E; OLIN and Sunderby Research Unit, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden., Lindberg A; OLIN and Sunderby Research Unit, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden. |
