Song, Di-yu http://orcid.org/0000-0002-6680-8198
Zheng, Guo-quan
Wang, Tian-hao
Qi, Deng-bin
Wang, Yan http://orcid.org/0000-0002-6732-8321
Article History
Received: 10 September 2019
Revised: 28 November 2019
Accepted: 19 December 2019
First Online: 2 January 2020
Compliance with ethical standards
:
: None.
: The study was approved by the Ethics Committee of Chinese PLA General Hospital. All study procedures were performed according to the ethical principles of the Declaration of Helsinki.
: Informed consent was obtained from all individual participants included in the study.