Variations in Chronic Obstructive Pulmonary Disease Outpatient Care in Respiratory Clinics: Results From the 2021 EPOCONSUL Audit Myriam Calle Rubio; José Luis López-Campos; Marc Miravitlles; Juan José Soler Cataluña; Bernardino Alcázar Navarrete; Manuel E. Fuentes Ferrer; Juan Luis Rodríguez Hermosa;