1. KTH Royal Institute of Technology, Department of Fibre and Polymer Technology, Teknikringen 56, 100 44 Stockholm, Sweden
2. Department
of Science and Technology, University of Sannio, via dei Mulini
59/A, 82100 Benevento, Italy
3. KTH Royal Institute of Technology, School of
Chemical Science and Engineering, Protein Engineering of Enzymes, Box 1031, 171 21 Solna, Sweden