TY - JOUR T1 - Comment on: International ERS/ATS guidelines on definition, evaluation and treatment of severe asthma JF - European Respiratory Journal JO - Eur Respir J SP - 267 LP - 268 DO - 10.1183/09031936.00064614 VL - 44 IS - 1 AU - Kian Fan Chung AU - Sally E. Wenzel AU - Jan L. Brozek Y1 - 2014/07/01 UR - http://erj.ersjournals.com/content/44/1/267.2.abstract N2 - From the authors:We thank David L. Hahn, and Michael E. Wechsler and Gerard P. Cox for their letters and for the points they have raised.In relation to Dr Hahn's comments on the macrolide antibiotics we stress that a systematic review was performed, but focusing on studies that included patients with severe asthma. The study by Brusselle et al. [1] should have been included but it had not been published at the time we performed the analysis. Inclusion of this study would have provided more data about asthma control and quality of life; however, its results were consistent with the results of the already included studies and would not change the estimates and the … ER -