Hu, Li
Zhao, Yae
Niu, Dongling
Gong, Xiaojuan
Yang, Rui
Article History
Received: 6 April 2019
Accepted: 11 September 2019
First Online: 6 November 2019
Compliance with ethical standards
: The present study was approved by the Ethics Committee of Medical and Biological Research of Xi’an Jiaotong University Health Science Center (approval no. 2019-002). All subjects were sampled by the authors or associated project staff. Written informed consent was obtained from all patients.
: On behalf of all authors, the corresponding author states that there is no conflict of interest.