Susanne Roos, MSc, RN, is with Department of Social and Welfare Studies, Faculty of Health Sciences, Linköping University, Norrköping, Sweden.
Anita Kärner, PhD, RN, is with Department of Social and Welfare Studies, Faculty of Health Sciences, Linköping University, Norrköping, Sweden.
Claes Hallert, PhD, MD, is with Department of Internal Medicine, Vrinnevi Hospital, Norrköping, Sweden.
Correspondence to: Susanne Roos, MSc, RN, Department of Social and Welfare Studies, Faculty of Health Sciences, Linköping University, S-601 74 Norrköping, Sweden ([email protected]).
Received July 11, 2008; accepted October 13, 2008.