1. Department of Medicine; Columbia University; New York NY USA
2. Department of Biostatistics; Columbia University; New York NY USA
3. Cardiology Unit, Department of Heart and Vessels; S.G. Moscati National Hospital; Avellino Italy
4. Department of Neurology, Department of Public Health Sciences; University of Miami; Miami FL USA
5. Departments of Neurology and Epidemiology; Columbia University; New York NY USA
6. Human Genetics, Miller School of Medicine; University of Miami; Miami FL USA