Ren, Shiyou
Zhang, Xintao
Zhou, Ri
You, Tian
Jiang, Xiaocheng
Zhang, Wentao
Funding for this research was provided by:
Urban Management Bureau of Shenzhen Municipality (No. SZSM201612078)
Article History
Received: 4 December 2018
Accepted: 26 July 2019
First Online: 3 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: IRB approval was obtained (Peking University Shenzhen Hospital, approval, ID: 201768).