1. School of Nursing; Wichita State University; Wichita KS USA
2. Department of Cardiology; Copenhagen University Hospital; Bispebjerg Hospital, and The Heart Centre; Copenhagen University Hospital; Copenhagen Denmark
3. Department of Nursing Science; School of Health & Welfare; Jönköping University; Jönköping Sweden
4. Department of Clinical Neurophysiology; Linköping University Hospital; Linköping Sweden