[1] Univ Kent, Medway Sch Pharm, Canterbury CT2 7NZ, Kent, England
[2] Univ Greenwich, London SE18 6PF, England
[3] Med Univ Lubeck, Dept Dermatol, D-23538 Lubeck, Germany
[4] Univ Freiburg, Inst Biol, D-7800 Freiburg, Germany
[5] Res Ctr Borstel, Cellular Allergol, Borstel, Germany