- Correspondence to Dr Astrid Crespo-Lessmann, Service of PneumologyHospital de la Santa Ceu i Sant Pau, Institute of Sant Pau & Biomedical Research (IBB Sant Pau), Universitat Autònoma de Barcelona, Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Barcelona, Spain;
- Received March 14, 2017
- Revised July 26, 2017
- Accepted August 9, 2017
- First published September 13, 2017.
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