1. Center of Excellence for Nanostructured Materials (CENMAT), Dipartimento di Scienze Farmaceutiche and INSTM UdR Trieste, Università degli Studi di Trieste, Piazzale Europa 1, 34127 Trieste, Italy
2. Protos Research Institute, Via Flavia 23/1, c/o Sviluppo Italia, 34148, Trieste, Italy
3. Polymer Conjugation Department, EURAND S.p.A, Area Science Park, Padriciano 99, 34149 Trieste, Italy
4. CNRS, Institut de Biologie Moléculaire et Cellulaire, Laboratoire d’Immunologie et Chimie Thérapeutiques, 67000 Strasbourg, France