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. 2015 Sep 24;13:237. doi: 10.1186/s12916-015-0495-0

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© Richeldi et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 6 — Zarir F. Udwadia is a consultant pulmonologist at Hinduja Hospital and Research Centre, Mumbai, India. His research interests include interstitial lung disease and drug-resistant tuberculosis. He has written over 100 peer-reviewed articles and authored chapters in several international textbooks