Department of Nursing,Umea University,Umea,Sweden;
Centre of Health Care Sciences,Orebro University Hospital,Orebro,Sweden;
Department of Cardiothoracic Surgery,University Hospital of Lund,Lund,Sweden;
The Faculty of Health and Society,Malmo University,Malmo,Sweden;
School of Social and Health Sciences,Halmstad University,Halmstad,Sweden;
Heart Diseases; Krantz Health Opinion Survey; Gender; Information; Involvement;