| Authors: |
Selberg S; Department of Public Health and Clinical Medicine, Umeå University, the OLIN and Sunderby Research Unit at Region Norrbotten, Umeå, Sweden., Karlsson Sundbaum J; Department of Public Health and Clinical Medicine, Umeå University, the OLIN and Sunderby Research Unit at Region Norrbotten, Umeå, Sweden., Lindberg A; Department of Public Health and Clinical Medicine, Umeå University, the OLIN and Sunderby Research Unit at Region Norrbotten, Umeå, Sweden., Konradsen JR; Department of Women´s and Children's Health, Karolinska Institutet, Stockholm, Sweden., Backman H; Department of Public Health and Clinical Medicine, Umeå University, the OLIN and Sunderby Research Unit at Region Norrbotten, Umeå, Sweden., Hedman L; Department of Public Health and Clinical Medicine, Umeå University, the OLIN and Sunderby Research Unit at Region Norrbotten, Umeå, Sweden., Stridsman C; Department of Public Health and Clinical Medicine, Umeå University, the OLIN and Sunderby Research Unit at Region Norrbotten, Umeå, Sweden. |