[1] LUDWIG MAXIMILIANS UNIV, DERMATOL KLIN, W-8000 MUNICH, GERMANY
[2] THOMAS JEFFERSON UNIV, DEPT BIOCHEM, PHILADELPHIA, PA 19107 USA
[3] THOMAS JEFFERSON UNIV, DEPT MOLEC BIOL, PHILADELPHIA, PA 19107 USA
[4] THOMAS JEFFERSON UNIV, DEPT DERMATOL, PHILADELPHIA, PA 19107 USA