1. Institut de Chimie Thérapeutique, Section de Pharmacie, Université de Lausanne, CH-1015 Lausanne, Switzerland
2. Neurodegenerative Diseases Research Centre, Pharmacology Group, Biomedical Sciences Division, King's College London, Manresa Road, London SW3 6LX, UK
3. Chiesi Farmaceutici Spa, Via Palermo, I-43100 Parma, Italy