[1] Univ Politecn Marche, Sect Clin Med, Dept Med Sci & Surg, Ancona, Italy
[2] Osped Riuniti, Ancona, Italy
[3] Univ Naples Federico II, CNR, Inst Endocrinol & Expt Oncol, Dept Mol & Cellular Biol & Pathol, Naples, Italy
[4] Univ Cologne, Dept Dermatol, D-5000 Cologne, Germany