Wang, Hui
Zhang, Yang
Shen, Zhujun
Fang, Ligang
Liu, Zhenyu
Zhang, Shuyang
Article History
Received: 18 August 2019
Accepted: 18 December 2019
First Online: 9 June 2020
Compliance with ethics guidelines
: ui Wang, Yang Zhang, Zhujun Shen, Ligang Fang, Zhenyu Liu, and Shuyang Zhang declare that they have no conflict of interests. All procedures were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and the <i>Helsinki Declaration</i> of 1975, as revised in 2000 (5). Informed consent was obtained from all patients that were included in the study.