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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. 7 — Zuo Jun Xu, is the Chief Physician and a Professor at the Respiratory Disease Department of Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, and is also the Vice Director of the Interstitial Lung Disease Group of the Chinese Society of Respiratory Diseases, Chinese Medical Association. He is a member of the Council of Beijing Medical Doctor Association as well as a member of the Standing Committee of the Beijing Association of Traditional Chinese Medicine and Western Medicine. He has published over 200 scientific papers and participated in the editing of 65 monographs