[1
]
Department of Cardiology and Department of Medical and Health Sciences, Linköping
University, Linköping, Sweden hakan.walfridsson@lio.se.
[2
]
Division of Nursing Science, Department of Medical and Health Sciences, Linkoping
University, Linkoping, Sweden.
[3
]
Department of Cardiology, Aarhus University Hospital, Aarhus, Denmark.
[4
]
Gentofte University Hospital, Copenhagen, Denmark.
[5
]
Heart Center Co. Tampere University Hospital, Tampere, Finland.
[6
]
Department of Cardiology and Department of Medical and Health Sciences, Linköping
University, Linköping, Sweden.
[7
]
Department of Medical and Health Sciences, Linköping University, Linköping, Sweden.
[8
]
Leipzig University Hospital, Leipzig, Germany.
[9
]
Lund University Hospital, Sweden.
[10
]
Rigshospitalet, Copenhagen, Denmark.
[11
]
University Hospital, Örebro, Sweden.
[12
]
Kuopio University Hospital, Kuopio, Finland.
[13
]
UNI-C, Danish Information Technology Centre for Education and Research, Aarhus, Denmark.