Andrzej Duda, Department of Polymer Chemistry, Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Lodz, Poland

Tatsuki Kitayama, Graduate School of Engineering Science, Osaka University, Toyonaka, Japan

Maria Vamvakaki, Department of Materials Science and Technology, University of Crete, Institute of Electronic Structure and Laser, Foundation for Research and Technology, Heraklion, Greece

Beite Li, Yixian Wu, Hong Cheng and Wenhong Liu, Department of Macromolecular Engineering, Beijing University of Chemical Technology, Beijing, China