Jin, Xi-Feng https://orcid.org/0000-0002-8757-1804
Gai, Wei
Du, Rong-Lian
Chai, Tong-Hai
Li, Ling
Auernhammer, Christoph J.
Article History
Received: 21 October 2018
Accepted: 27 August 2019
First Online: 6 September 2019
Ethics approval and consent to participate
: The project was established, according to the ethical guidelines of the Helsinki Declaration was approved by the Human Ethics Committee of the hospital. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.