| Affiliation: | 1. Department of Clinical Science and Research, Karolinska Institutet, Stockholm, Sweden;2. Division of Internal Medicine at S?dersjukhuset, Stockholm, Sweden;3. Department of Emergency Medicine, Karolinska University Hospital, Stockholm, Sweden;4. Department of Internal Medicine, Karolinska Institutet, Stockholm, Sweden;5. Institute of Medicine, University of Gothenburg, Sahlgrenska University Hospital, G?teborg, Sweden;6. Centre of Registers in Region V?stra G?taland, G?teborg, Sweden;7. Section of Cardiothoracic Surgery, Karolinska University Hospital, Stockholm, Sweden;8. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden |
