1. Industrie Biomediche Insubri SA (IBI), Via Cantonale 67, 6805 Mezzovico- Vira, Switzerland
2. Laboratory of Biological Structure Mechanics, Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, 20133 Milan, Italy
3. Laboratory of Applied Physical Chemistry, Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, 20133 Milan, Italy