1 School of Education, Health and Social Studies, Dalarna University, Department of Emergency Medicine, Falun Hospital, Sweden. Electronic address: [email protected].
2 University of Texas Health Science Center at Houston, Houston, TX, USA.
3 College of Nursing, University of Cincinnati, Cincinnati, OH, USA.
4 Department of Medicine, Solna, Karolinska Institutet, and Functional Area of Emergency Medicine Solna, Karolinska University Hospital, SE-171 76 Stockholm, Sweden.