Comment: Is a Large-Scale Screening for Alzheimer's Disease Possible? Yes, in a Few Years.

Competing Interests: Dr. Ribaldi and Dr. Altomare have nothing to disclose. Dr. Frisoni reports grants from Alzheimer Forum Suisse, grants from Académie Suisse des Sciences Médicales (ASSM), grants from Avid Radiopharmaceuticals, grants from Biogen, grants from GE International, grants from Guerbert, grants from IFRAD Suisse (Association Suisse pour la Recherche sur l’Alzheimer), grants from Ixico, grants from Merz, grants from Nestlé, grants from Novartis, grants from Piramal, grants from Roche, grants from Siemens, grants from Teva Pharma, grants from Vifor Pharma, grants from Alzheimer’s Association, personal fees from AstraZeneca, personal fees from Avid Radiopharmaceuticals, personal fees from Elan, personal fees from GE International, personal fees from Lundbeck, personal fees from Pfizer, personal fees from Taurx, outside the submitted work.