1 Department of Surgical and Perioperative Sciences/Surgery, Umeå University, Sweden.
2 Department of Surgery, Sundsvall Hospital, Sundsvall, Sweden.
3 Department of Oncology, Sundsvall Hospital, Sundsvall, Sweden.
4 Regional Cancer Center, Uppsala University/Uppsala University Hospital, Uppsala, Sweden.
5 Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
6 Department of Oncology, Örebro University, University Hospital, Örebro, Sweden.
7 Translational Oncology & Urology Research (TOUR), School of Cancer and Pharmaceutical Sciences, King's College London, London, UK.
8 Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.
9 Department of Immunology, Genetics and Pathology, Section of Experimental and Clinical Oncology, Uppsala University, University Hospital, Uppsala, Sweden.
10 Department of Oncology, Gävle Hospital, Gävle, Sweden.
11 Department of Oncology, Visby Hospital, Visby, Sweden.
12 Department of Surgery, Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.
13 Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.
14 Department of Breast, Endocrine Tumours and Sarcoma, Karolinska University Hospital, Stockholm, Sweden.
15 Department of Surgery, University of Helsinki and Helsinki University Hospital, Finland.