[1] Univ Copenhagen, Danish Canc Soc, Inst Canc Epidemiol, Dept Plast Surg, DK-2100 Copenhagen, Denmark
[2] Univ Copenhagen, Burn Unit, Rigshosp, DK-2100 Copenhagen, Denmark
[3] Univ Copenhagen, Herlev Hosp, Dept Plast Surg, DK-2730 Herlev, Denmark
[4] Roskilde Univ Hosp, Dept Plast & Reconstruct Surg, Roskilde, Denmark