[1] Univ Hosp Maastricht, Dept Surg, Maastricht, Netherlands
[2] Univ Hosp Maastricht, Dept Radiol, Maastricht, Netherlands
[3] Maastricht Univ, Care & Publ Hlth Res Inst, Ctr Qual Care Res, Dept Gen Practice, Maastricht, Netherlands
[4] Univ Hosp Maastricht, Dept Clin Epidemiol & Med Technol, KEMTA, Maastricht, Netherlands
[5] Leiden Univ, Med Ctr, Dept Surg, Leiden, Netherlands
[6] St Elizabeth Hosp, Breast Unit, Tilburg, Netherlands
[7] Laurentius Hosp, Dept Surg, Roermond, Netherlands
[8] Orbis Med Ctr, Dept Surg, Sittard, Netherlands