1. From the Östersund Hospital, Frösön, Sweden (A.U., A.M.); Skaraborg Hospital Skövde, Sweden (U.K.); Department of Medicine, Karolinska Institutet, Solna, Sweden (T.J.); Unit of Research, Education and Development, Östersund Hospital, Frösön, Sweden (L.S.); and Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden (A.U., A.M., U.K., T.M.).