Hypermethylation of Anti-oncogenic MicroRNA 7 is Increased in Emphysema Patients Rocío Rosas-Alonso, Raúl Galera, Joan José Sánchez-Pascuala, Raquel Casitas, Miranda Burdiel, Elisabet Martínez-Cerón, Olga Vera, Carlos Rodriguez-Antolin, Olga Pernía, Javier De Castro, Francisco García-Rio, Inmaculada Ibanez-de-Cáceres

Acute Exacerbation According to GOLD 2017 Categories in Patients with Chronic Obstructive Pulmonary Disease Joohae Kim, Chang-Hoon Lee, Myung-Goo Lee, Kyeong-Cheol Shin, Kwang Ha Yoo, Seong Yong Lim, Ju Ock Na, Chul-Gyu Yoo, Ki Suck Jung, Sang-Do Lee

Accuracy of a New Algorithm to Identify Asthma–COPD Overlap (ACO) Patients in a Cohort of Patients with Chronic Obstructive Airway Disease Luis Pérez de Llano, Borja G. Cosío, Marc Miravitlles, Vicente Plaza