Funding for this research was provided by:
National Natural Science Foundation of China (31470883, 91442109, 81600070)
Beijing Municipal Administration of Hospitals’ Mission Plan (SML20150301)
Chinese Ministry of Science and Technology for the establishment of GCP evaluation systems in respiratory diseases (2014ZX09303302)
Text and Data Mining valid from 2018-04-25
Received: 8 December 2017
Accepted: 12 April 2018
First Online: 25 April 2018
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Beijing Chaoyang Hospital. All participants were consent to participate in this study. Written informed consent was obtained from all participants. For participants under 16 years old, the written informed consent was obtained from their parent or legal guardian. Approval was obtained from the Beijing Chao-Yang Hospital Institutional Review Board (approval number: 2016–2–19–9).
: The authors declare that they have no competing interests exist with any companies/organizations whose products or services may be discussed in this article. None on financial conflict of interests exist.
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