1. New Technologies–Research Centre (NTC), University of West Bohemia, Univerzitní 8, 301 00 Pilsen, Czech Republic
2. Institute of NanoEngineering Research (INER) and Department of Chemical, Metallurgical and Materials Engineering, Tshwane University of Technology, Staatsartillerie Rd, 0183, Pretoria West Campus, South Africa
3. Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan