1. Department of Orthopaedics and Clinical Sciences, Lund University, Skane University Hospital, Malmö, Sweden;
2. The Transplant Institute, Sahlgrenska University Hospital, Institute of Clinical Sciences, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden;
3. Departement of Internal Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden;
4. Copenhagen University Hospital/Herlev, University of Copenhagen, Copenhagen, Denmark;
5. University Hospital of Heraklion, University of Crete, Heraklion, Greece