Ren, Zenghua
Hu, Yudan
Xu, Ling
Article History
Received: 13 June 2019
Accepted: 24 September 2019
First Online: 16 October 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee at the Shanghai Jiaotong University Affiliated Sixth People’s Hospital. Informed consent was obtained from all participants.
: The authors agree to publication.
: The authors declare that they have no competing interests.