Wang, Chun-Feng
Liu, Kui
Funding for this research was provided by:
NSFC (U1404105)
the Key Scientific and Technological Project of Henan Province (142102210058)
the Doctoral Scientific Research Foundation of Henan Normal University (qd12103)
the Youth Science Foundation of Henan Normal University (2013qk02)
Henan Normal University National Research Project to Cultivate the Funded Projects (01016400105)
the Key Project of Henan Educational Committee (16A510006)