title: Response to Dr Esquinas.
authors.affiliation: Division of Pulmonary Diseases, Geneva University Hospitals, Geneva, Switzerland. Electronic address: olivier.contal@hcuge.ch.
authors.forename: Olivier
authors.initials: O
authors.lastname: Contal
authors.affiliation: Service de pneumologie et Centre de médecine du sommeil, Cliniques Universitaires Saint Luc, Université Catholique de Louvain, Brussels, Belgium.
authors.forename: Daniel
authors.initials: D
authors.lastname: Rodenstein
authors.affiliation: INSERM, U 1042, University Hospital, Grenoble, France.
authors.forename: Jean-Louis
authors.initials: JL
authors.lastname: Pépin
authors.affiliation: Division of Pulmonary Diseases, Geneva University Hospitals, Geneva, Switzerland.
authors.forename: Jean-Paul
authors.initials: JP
authors.lastname: Janssens
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D063087:Noninvasive Ventilation / Q000379:methods*; D010845:Obesity Hypoventilation Syndrome / Q000628:therapy*; D011175:Positive-Pressure Respiration / Q000379:methods*