[1] Karolinska Institutet,Department of Medical Epidemiology and Biostatistics
[2] Cancer Registry of Norway,Department of Surgical and Perioperative Science
[3] Umeå University,Department of Oncology
[4] Sundsvall Hospital,Department of Molecular Medicine and Surgery
[5] Karolinska Institutet,Department of Breast and Endocrine Surgery
[6] Karolinska University Hospital,Regional Cancer Center
[7] Uppsala University Hospital,Department of Oncology, Faculty of Medicine and Health
[8] Örebro University,undefined