1 Function of Emergency Medicine, Karolinska University Hospital, Stockholm, Sweden.
2 Function of Emergency Medicine, Karolinska University Hospital, Stockholm, Sweden; Center for Resuscitation Science, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden.
3 Function of Emergency Medicine, Karolinska University Hospital, Stockholm, Sweden; Center for Resuscitation Science, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden. Electronic address: [email protected].