Peripheral artery disease: Update on etiology, pathophysiology, diagnosis and treatment Darío Mandaglio-Collados; Francisco Marín; José Miguel Rivera-Caravaca;

Substance use disorder: Epidemiology, medical consequences and treatment Daniel Fuster; Paola Zuluaga; Robert Muga;

Recent updates in urticaria Ana M. Giménez-Arnau; Nerea Manzanares; Indrashis Podder;