[1] Univ Uppsala Hosp, Sect Endocrine & Breast Surg, Uppsala, Sweden
[2] Univ Uppsala Hosp, Uppsala, Sweden
[3] Vastmanland Cty Hosp, Vasteras, Vasteras, Sweden
[4] Uppsala Clin Res Ctr, Uppsala, Sweden
[5] Kalmar Cty Hosp, Sect Breast Surg, Kalmar, Sweden
[6] Univ Uppsala Hosp, Inst Radiol Oncol & Radiotherapy, Uppsala, Sweden
[7] Norrlands Univ Hosp, Umea, Sweden