Yang, Jin
Liu, Jieling
Xing, Fanfan
Ye, Haiyan
Dai, Guijian
Liu, Meiyuan
Lo, Simon Kam-Fai
Lau, Ricky Wing-Tong
Chiu, Kelvin Hei-Yeung
Chan, Jasper Fuk-Woo
Yuen, Kwok-Yung
Funding for this research was provided by:
Guangdong Province (Not applicable)
Sanming Project of Medicine in Shenzhen (Not applicable)
Article History
Received: 16 January 2019
Accepted: 26 June 2019
First Online: 5 July 2019
Ethics approval and consent to participate
: The study was approved and access of raw data was granted by the Ethics Committee of the University of Hong Kong-Shenzhen Hospital. Because the study was retrospective without any interventions, the requirement for informed consent was waived.
: Not applicable.
: The authors declare that they have no competing interests.