Clinical characteristic and outcomes of psoriasis patients in a multicentre outpatient healthcare institution in Colombia Julio Roberto Amador; Carolina Becerra-Arias; Wilmer Gerardo Rojas-Zuleta; Juan Raul Castro-Ayarza; Manuel Franco; Mario Barbosa-Rengifo; Jorge Donado-Gómez; Natalia Duque-Zapata;

Pathological significance of sex hormones (testosterone and estrogen) associated with pro-inflammatory cytokines (IL-12, IL-17A, and IL-23) in patients with psoriasis and psoriatic arthritis Randa R. Ghamyes; AbdulKareem A. Alkazaz;

Patient reported outcomes in early vs late diagnosis of psoriatic arthritis Ennio Lubrano; Silvia Scriffignano; Fabio Massimo Perrotta;