1. Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
2. Department of Emergency Medicine Solna, Karolinska University Hospital, Stockholm, Sweden
3. Center for Palliative Care, Stiftelsen Stockholms Sjukhem, Stockholm, Sweden
4. Unit of Biostatistics, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
5. Department of Medical Sciences, Uppsala University, Uppsala, Sweden
6. Department of Cardiology, Falu Hospital, Falun, Sweden
7. Department of Clinical Sciences, Danderyd University Hospital, Karolinska Institutet, Stockholm, Sweden
8. Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden