1. Polymer Department, The National Institute for Research & Development in Chemistry and Petrochemistry − ICECHIM, 202 Spl. Independentei, Bucharest 060021, Romania
2. Advanced Polymer Materials Group, University Politehnica of Bucharest, Bucharest, 011061, Romania
3. RISE PFI, Høgskoleringen 6b, 7034 Trondheim, Norway