Funding for this research was provided by:
National Natural Science Foundation of China (81371658, 81572307)
Zhejiang Provincial Natural Science Foundation of China (LZ18H180001)
Medical Health Fund of Zhejiang Province (2013KYB097)
Basic Health Appropriate Technology for the Transformation of Major Projects during the 12th Five-Year Plan Period of Zhejiang Province (2013T301-15)
Major Project of Medical and Health Technology Development Program in Zhejiang Province (7211902)
National Key Basic Research Development Program (2013CB531403)
Science and Technology Major Project of Zhejiang Province (2014C13G2010059)
Text and Data Mining valid from 2018-06-08
Received: 24 August 2017
Accepted: 30 May 2018
First Online: 8 June 2018
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of the First Affiliated Hospital, Zhejiang University School of Medicine, and followed the Declaration of Helsinki principles. The reference number was NO.2016–471. All participants signed the informed consents.
: The authors declare that they have no competing interests.
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