Text and Data Mining valid from 2019-10-24
Received: 21 April 2019
Accepted: 16 October 2019
First Online: 24 October 2019
Ethics approval and consent to participate
: Written informed consent was obtained from patients under a protocol approved by the Ethics Committee of Shanghai Dachang Hospital of Baoshan District.
: Not applicable.
: The authors declare that they have no competing interests.