[1] Department of Dermatology,
[2] Tokyo Medical and Dental University,undefined
[3] School of Medicine,undefined
[4] 1-5-45 Yushima,undefined
[5] Bunkyo-ku,undefined
[6] Tokyo 113-8519,undefined
[7] Japan e-mail: yamamoto.derm@med.tmd.ac.jp,undefined
[8] Tel.:+81-3-58035286,undefined
[9] Fax:+81-3-58030143,undefined
[10] Department of Dermatology,undefined
[11] University of Cologne,undefined
[12] Joseph Stelzmann Str 9,undefined
[13] 50924 Cologne,undefined
[14] Germany,undefined