Funding for this research was provided by:
Guangxi science natural fund (0640060)
Article History
Received: 8 December 2017
Accepted: 7 August 2018
First Online: 18 August 2018
Ethics approval
: The study was performed in accordance with the Guidelines for the revised Animals (Scientific Procedures) Act 1986 in the UK and Directive 2010/63/EU in Europe and the Care and Use of Laboratory Animals approved by Ethics and Animal Welfare Committee of the People’s Hospital of Guangxi Zhuang Autonomous Region (Nanning, China, Permission number 2014–034). All possible efforts were undertaken to avoid animal suffering at each stage of the experiments.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.