1. Institute of Chemistry, Martin Luther University Halle-Wittenberg, 06120 Halle, Germany
2. Department of Chemistry, Faculty of Science, Cairo University, 12613 Giza, Egypt
3. Shaanxi International Research Center for Soft Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, P. R. China
4. Research Center for Macromolecules & Biomaterials, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
5. Japan Science and Technology Agency, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan