Sahlgrenska University Hospital, Anaesthesiology and Intensive Care, Gothenburg, Sweden
Örebro University Hospital, Vascular and Thoracic Department (Kärl-Thoraxkliniken), Örebro, Sweden
CTC Clinical Trial Consultants AB, Uppsala, Sweden
Örebro University Hospital, Örebro, Sweden
Danderyd Hospital, Danderyd, Sweden
Karolinska University Hospital, Stockholm, Sweden