Meng, Qingkun
Sun, Zhijun
Gu, Hui
Luo, Jiaying
Wang, Jingjing
Wang, Chuanhe
Han, Su
Article History
Received: 24 April 2019
Accepted: 30 October 2019
First Online: 2 December 2019
Ethics approval and consent to participate
: This investigation was performed according to the protocols approved by the Medical Research and New Technology Ethical Committee of the Shengjing Hospital of China Medical University (approval no. 2015PS295K).
: Written informed consent for publication was obtained from all participants.
: The authors declare that they have no competing interests.