Wu, Jia
Xiao, Xue
Li, Zhenqun
Jia, Li
Funding for this research was provided by:
the Scientific and Technological Planning Project of Guangzhou City (201805010002)
National Natural Science Foundation of China (21675056)
Article History
Received: 1 November 2018
Revised: 11 January 2019
Accepted: 24 January 2019
First Online: 8 February 2019
Compliance with ethical standards
: We obtained the informed consent of all individual participants whom urine samples were obtained from. The studies were approved by the Scientific Research Ethics Committee of South China Normal University and were performed in accordance with the ethical standards.
: The authors declare that they have no competing interests.