1. Polymer Science and Engineering, School of Nano and Advanced Materials Engineering; Gyeongsang National University; Jinju 660-701 Gyeongnam Republic of Korea
2. School of Materials Science and Engineering; Nanyang Technological University; Singapore
3. Faculty of Environmental Engineering; Wroclaw University of Technology; Wybrzeze Wyspianskiego 27 Wroclaw 50-370, Poland
4. Materials Science Centre; Indian Institute of Technology; Kharagpur, 721302 India