[1] Univ Dusseldorf, Dept Dermatol, D-4000 Dusseldorf, Germany
[2] Univ Dusseldorf, Dept Neurol, D-4000 Dusseldorf, Germany
[3] Univ Leipzig, Inst Pathol, Leipzig, Germany
[4] Univ Texas, Med Branch, Dept Microbiol & Immunol, Galveston, TX 77550 USA
[5] Univ Texas, Med Branch, Dept Dermatol, Galveston, TX 77550 USA
[6] Univ Texas, Med Branch, Dept Internal Med, Galveston, TX 77550 USA
[7] Univ Essen Gesamthsch, Dept Cardiol, Essen, Germany