[1] Esbjerg Cent Hosp, Dept Breast Surg, Finsesgade 35, DK-6700 Esbjerg, Denmark
[2] Reg Hosp Viborg, Dept Breast Surg, Heibergs 5A, DK-8800 Viborg, Denmark
[3] VIA Univ Coll, Res Ctr Hlth & Welf Technol, Hedeager 2, DK-8200 Aarhus N, Denmark
[4] Aarhus Univ Hosp, Dept Oncol, Palle Juul Jensens Blvd 99, DK-8200 Aarhus N, Denmark
[5] Univ Hosp Southern Denmark, Vejle Hosp, Dept Oncol, Beriderbakken 4, DK-7100 Vejle, Denmark
[6] Aarhus Univ Hosp, Danish Pain Res Ctr, Dept Clin Med, Palle Juul Jensens Blvd 99, DK-8200 Aarhus N, Denmark