[1] Univ Pittsburgh, Dept Med, Pittsburgh, PA USA
[2] Med Univ Bialystok, NZOZ Vitamed Hosp House, Dept Gen & Expt Pathol, Bialystok, Poland
[3] Hosp Univ 12 Octubre, Rheumatol Dept, Inst Invest Hosp 12 Octubre imas 12, Madrid, Spain
[4] Stanford Univ, Dept Dermatol, Sch Med, Redwood City, CA USA
[5] Mayo Clin, Dept Dermatol, Jacksonville, FL USA
[6] Univ Penn, Philadelphia, PA USA
[7] Corporal Michael J Crescenz VA Med Ctr, Philadelphia, PA USA
[8] Pfizer Inc, Cambridge, MA USA
[9] Pfizer Inc, Collegeville, PA USA