1 Emergency Medicine Function, Karolinska University Hospital, SE-171 77 Stockholm, Sweden; Department of Medicine Solna, Karolinska Institutet SE-171 77 Stockholm, Sweden.
2 Emergency Medicine Function, Karolinska University Hospital, SE-171 77 Stockholm, Sweden; Department of Medicine Solna, Karolinska Institutet SE-171 77 Stockholm, Sweden. Electronic address: [email protected].