[1] Institute of Molecular Biology and Biochemistry,
[2] UKBF,undefined
[3] FU Berlin,undefined
[4] Arnimallee 22,undefined
[5] D-14195 Berlin,undefined
[6] Germany Fax +(30) 838 6616; e-mail: rw@zedat.fu-berlin.de,undefined
[7] Dermatology,undefined
[8] Virchow Clinic,undefined
[9] HU Berlin,undefined
[10] D-13344 Berlin,undefined
[11] Germany,undefined
[12] Institute of Experimental Oncology and Transplantational Medicine,undefined
[13] Virchow Clinic,undefined
[14] HU Berlin,undefined
[15] D-14050 Berlin,undefined
[16] Germany,undefined