1. Medical Department, Zambon SpA, Bresso (MI), Italy
2. Centre for Neurodegenerative Diseases (CEMAND), Department of Medicine and Surgery, University of Salerno, Baronissi (SA), Italy
3. Department of Clinical Science and Community, Section of Medical Statistics and Biometry “GA Maccacaro”, University of Milan, Milan, Italy
4. R&D Department, Zambon SpA, Bresso (MI), Italy