Affiliation: | 1. School of Health and Medical Sciences, ?rebro University, ?rebro, Sweden, and University of Iceland and Landspitali University Hospital, Reykjavik, Iceland;2. School of Health and Medical Sciences, ?rebro University, ?rebro, Sweden;3. School of Health and Social Sciences, Dalarna University, and at the School of Health and Medical Sciences, ?rebro University, ?rebro, Sweden |