Funding for this research was provided by:
the Scientific and Technological Cooperation Project (2014DFT30270)
the Innovation Fund for Small and Medium-sized Technology-based Firms (14C26213201214)
the Ministry of Science and Technology of China and an extension project (2015-1-7)
the Shanghai Universities Top Disciplines Project (2015-62-0908)
the Capacity Promotion Projects (16DZ2281200, 13DZ2280500)