Wan, Qi
Tang, Jing
Han, Yu
Ye, Hongquan
Funding for this research was provided by:
The Sience and Technology Project Of The Health Planning Committee Of Sichuan (18PJ086)
Article History
Received: 22 April 2018
Accepted: 8 July 2019
First Online: 17 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Guardian consent obtained.