[1] Med Univ Bialystok, Dept Dermatol & Venereol, Zurawia 14 St, PL-15540 Bialystok, Poland
[2] Med Univ Bialystok, Dept Endocrinol Diabetol & Internal Dis, Sklodowskiej 24a St, PL-15276 Bialystok, Poland
[3] Med Univ Bialystok, Dept Gen & Endocrine Surg 1, Sklodowskiej 24a, PL-15276 Bialystok, Poland
[4] Univ Pittsburgh, Pittsburgh Heart Lung & Blood Vasc Med Inst, Pittsburgh, PA 15260 USA