[1] Danish Canc Soc, Inst Canc Epidemiol, DK-2100 Copenhagen, Denmark
[2] Jorgensens Clin Plast Surg, Roskilde, Denmark
[3] Holte Clin Plast Surg, Holte, Denmark
[4] Vanderbilt Univ, Med Ctr, Vanderbilt Ingram Canc Ctr, Dept Med, Nashville, TN USA
[5] Int Epidemiol Inst, Rockville, MD USA
[6] Herlev Univ Hosp, Dept Plast Surg, DK-2730 Herlev, Denmark