Erratum to: Arch Dermatol Res (2011) 303:601–606 DOI 10.1007/s00403-011-1164-6

The corresponding author would like to correct the error on page 4, second line, left column it says incorrectly that “Eleven patients, 9 males and 2 females,…”. The correct sentence should read “Eleven patients, 9 females and 2 males”.