Affiliation: | 1. Heart Center and Department of Public Health and Clinical Medicine, Ume? University, Ume?, Sweden;2. Department of Community Medicine and Rehabilitation, Physiotherapy, Ume? University, Ume?, Sweden;3. Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden;4. Department of Physiotherapy and Occupational Therapy, Sahlgrenska University Hospital, Gothenburg, Sweden |