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Berit Mjörnheim, RN, MSc, is Lecturer; Anders Rosendahl, RN, MSc, is Lecturer; and Lennart C. Eriksson, MD, PhD, is Professor, Division of Pathology, Departmentof Laboratory Medicine, Karolinska University Hospital, Stockholm, Sweden. Christina Takman, RN, PhD, is Senior Lecturer, Division of Nursing, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden.
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