1. Laboratory of Stem Cells for Tissue Engineering; IRCCS Policlinico San Donato; San Donato Milanese, Piazza Malan 2 20097 San Donato Milanese Milan Italy
2. Department of Biomedical, Surgical and Dental Sciences; University of Milan; 20133 Milan Italy
3. Department of Drug Design and Pharmacology; University of Copenhagen; Universitetsparken 2 2100 Copenhagen Denmark
4. Novozymes A/S; Krogshoejvej 36 2880 Bagsvaerd Denmark
5. Department of Biomedical Sciences for Health; University of Milan; Via Fratelli Cervi 9 20090 Segrate, Milan Italy