Executive Summary: Clinical Practice Guidelines on the Management of Resistant Tuberculosis of the Spanish Society of Pulmonology and Thoracic Surgery (SEPAR) and the Spanish Society of Infectious Diseases and Clinical Microbiology (SEIMC) Adrian Sanchez-Montalva; José Antonio Caminero; Mª Remedio Guna; Teresa Rodrígo Sanz; Ramón Rabuñal; Joan Pau Millet; José Antonio Gullón-Blanco; Luis Anibarro; Guillermo Perez-Mendoza; Juan Francisco Medina; Verónica González-Galán; Eva Tabernero;

Mucus Plugs as Precursors to Exacerbation and Lung Function Decline in COPD Patients Kwang Nam Jin; Hyo Jin Lee; Heemoon Park; Jung-Kyu Lee; Eun Young Heo; Deog Kyeom Kim; Hyun Woo Lee;

Bacterial Patterns and Empiric Antibiotic Use in COPD Patients With Community-Acquired Pneumonia Sergi Pascual-Guardia; Francesco Amati; Judith Marin-Corral; Stefano Aliberti; Joaquim Gea; Nilam J. Soni; Alejandro Rodriguez; Oriol Sibila; Francisco Sanz; Giovanni Sotgiu; Pedro J. Marcos; Ane Uranga; Branislava Milenkovic; Christian N. Meyer; Martin Kolditz; Antonio R. Anzueto; Marcos I. Restrepo;