1. Department of Experimental Clinical Oncology, Aarhus University Hospital, Aarhus, Denmark;
2. Department of Orthopedic Surgery, Aarhus University Hospital, Aarhus, Denmark;
3. Department of Orthopedic Surgery, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark;
4. Department of Oncology, Aarhus University Hospital, Aarhus, Denmark;
5. Department of Oncology, Herlev Hospital, Herlev, Denmark