Effectiveness of CPAP vs. Noninvasive Ventilation Based on Disease Severity in Obesity Hypoventilation Syndrome and Concomitant Severe Obstructive Sleep Apnea Juan F. Masa; Iván D. Benítez; Maria Á. Sánchez-Quiroga; Francisco J. Gomez de Terreros; Jaime Corral; Auxiliadora Romero; Candela Caballero-Eraso; Estrella Ordax-Carbajo; Maria F. Troncoso; Mónica González; Soledad López-Martín; José M. Marin; Sergi Martí; Trinidad Díaz-Cambriles; Eusebi Chiner; Carlos Egea; Javier Barca; Francisco J. Vázquez-Polo; Miguel A. Negrín; María Martel-Escobar; Ferrán Barbé; Babak Mokhlesi;

Gas Exchange and Ventilatory Efficiency During Exercise in Pulmonary Vascular Diseases Jason Weatherald; Athénaïs Boucly; David Montani; Xavier Jaïs; Laurent Savale; Marc Humbert; Olivier Sitbon; Gilles Garcia; Pierantonio Laveneziana;

Effects of Pulmonary Hypertension on Exercise Capacity in Patients With Chronic Obstructive Pulmonary Disease Isabel Blanco; Beatriz Valeiro; Rodrigo Torres-Castro; Anael Barberán-García; Yolanda Torralba; Jorge Moisés; Laura Sebastián; Jeisson Osorio; José Rios; Elena Gimeno-Santos; Josep Roca; Joan A. Barberà;