[1] Univ Hautklin, Univ Tubingen, D-72076 Tubingen, Germany
[2] NIH, Bethesda, MD 20892 USA
[3] Free Univ Berlin, Inst Pharm Pharmacol & Toxicol, D-14195 Berlin, Germany
[4] Tech Univ Dresden, Inst Immunol, D-01307 Dresden, Germany
[5] Univ Munich, Klin & Poliklin Dermatol & Allergol, D-80337 Munich, Germany