Text and Data Mining valid from 2018-07-19
Received: 2 August 2017
Accepted: 3 July 2018
First Online: 19 July 2018
Ethics approval and consent to participate
: This study was in compliance with the Helsinki Declaration. It was approved by the Ethics Committee of Shanghai Jiao Tong University Affiliated Sixth People’ s Hospital. All participants included in our study were informed and signed the consent.
: Participators agreed to publication and signed the consent.
: The authors declare that they have no competing interest.
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