Deng, Kaili
Cui, Jin
Qin, Yong
Zhu, Yina
Feng, Ganzhu
Article History
Received: 23 November 2017
Accepted: 12 February 2019
First Online: 7 March 2019
Compliance with ethical standards
: This study was approved by the Medical Ethics Committee of Nanjing Medical University (Nanjing, Jiangsu, China), and all the procedures involving human participants were performed in strict accordance with the 1964 Helsinki declaration and its later amendments.
: The authors declare that they have no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.