1. Laboratory of Polymeric and Composite Materials, University of Mons, Faculty of Science, Campus Plaine de Nimy Place du Parc, 20, 7000 Mons, Belgium
2. Microbiology, Bioorganic and Macromolecular Chemistry Unit, Université libre de Bruxelles (ULB), Faculty of Pharmacy, Campus Plaine, Boulevard du Triomphe, 1050 Bruxelles, Belgium
3. Laboratory of Bioactive Polymers, Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev St., 103A, 1113 Sofia, Bulgaria