Xiong, Zhi
Xu, Kai
Funding for this research was provided by:
Natural Science Foundation of Guangdong Province (2018A030313438)
Undergraduate Teaching Reform Research Project of “Innovation Strengthening University Plan” of Shantou University
Article History
Received: 29 August 2019
Accepted: 3 January 2020
First Online: 10 February 2020
Change Date: 23 December 2024
Change Type: Clarification
Change Details: This article was retracted on 23 December 2024.
Free to read: This content has been made available to all.