[1] Univ Ghent, Polymer Chem & Biomat Res Grp, B-9000 Ghent, Belgium
[2] Tufts Univ, Dept Biomed Engn, Medford, MA 02155 USA
[3] Univ Pisa, Dept Chem & Ind Chem, Lab Bioact Polymer Mat Biomed & Environm Applicat, I-56122 San Piero A Grado, PI, Italy
[4] Univ Twente, Inst Biomed Technol & Tech Med, Tissue Regenerat Dept, NL-7500 AE Enschede, Netherlands