Oslo Universitetssykehus, Oslo, Norway
Sykehuset i Telemark, Skien, Norway
Sykehuset i Vestfold, Tønsberg, Norway
National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
Odense University Hospital, Odense, Denmark
Odense University Hospital, Odense, Fyn, Denmark
University of Southern Denmark, Odense, Southern Denmark, Denmark
The Department of Oncology at University of southern denmark, Odense, Syddanmark, Denmark
Aarhus Universitetshospital, Aarhus, Denmark
Odense University Hospital, Odense, Denmark
University Hospital of Zealand, Roskilde, Denmark
Department of Anesthesiology and Intensive Care, Kolding Hospital, Kolding, Denmark
Department of Anaesthesiology and Intensive Care Medicine, Aalborg University Hospital, Aalborg, Denmark