1. Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
2. Department of Surgery, Capio St Görans Hospital, Stockholm, Sweden
3. Unit of Biostatistics, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
4. Department of Oncology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
5. Regional Cancer Centre, Uppsala Örebro Health Care Region, Uppsala, Sweden
6. Department of Surgery, University Hospital, Linköping, Sweden
7. Department of Medicine, Southern Älvsborg Hospital, Borås, Sweden
8. Department of Oncology, Institute of Clinical Sciences, Sahlgrenska Academy, Sahlgrenska University Hospital, Gothenburg, Sweden
9. Department of Oncology and Radiation Physics, Skåne University Hospital, Lund University, Lund, Sweden
10. Department of Surgical and Perioperative Sciences/Surgery, Umeå University, Umeå, Sweden
11. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
12. Department of Breast, Endocrine and Sarcoma Surgery, Karolinska University Hospital, Stockholm, Sweden
13. Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden