- Correspondence to Dr Andrea Gimenez, Interstitial Lung Diseases Program, Federal University of São Paulo, R. Sena Madureira, 1500 - Vila Clementino, São Paulo 04023-062, Brazil;
- Received 23 January 2017
- Revised 3 July 2017
- Accepted 14 July 2017
- Published online 7 September 2017.
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