[1] Paracelsus Med Univ Salzburg, Dept Dermatol, Univ Hosp, EB House Austria, Salzburg, Austria
[2] Chiba Univ, Dept Pharmacol & Toxicol, Chiba, Japan
[3] Paris Lodron Univ Salzburg, Mat Chem, Salzburg, Austria
[4] Thomas Jefferson Univ, Dept Dermatol & Cutaneous Surg, Philadelphia, PA 19107 USA