1. Department of Anaesthesiology and Intensive Care; Norrtälje Hospital; Norrtälje Sweden
2. Department of Clinical Science and Education; Södersjukhuset; Karolinska Institutet; Stockholm Sweden
3. Department of Clinical Sciences; Danderyd Hospital; Karolinska Institutet; Stockholm Sweden
4. Department of Psychiatry; Norrtälje Hospital; Norrtälje Sweden
5. Karolinska Institutet; Department of Medicine; Centre for Resuscitation Science; Stockholm Sweden
6. Center for Molecular Medicine; Karolinska University Hospital Solna; Stockholm Sweden
7. Department of Neurobiology; Care Sciences and Society; Center for Family Medicine; Karolinska Institutet; Stockholm Sweden
8. Swedish Poisons Information Centre; Stockholm Sweden