Funding for this research was provided by:
National Natural Science Foundation of China (11431004, 11861002)
the Project of Chongqing Frontier and Applied Foundation Research (cstc2018jcyj-yszxX0009)
the Key Project of Chongqing Frontier and Applied Foundation Research (cstc2017jcyjBX0055, cstc2015jcyjBX0113)
Article History
Received: 28 December 2018
Accepted: 10 June 2019
First Online: 11 July 2019