Table 1.
Flowchart data collection
| Baseline | 6 months | 1 year | 2 years | 3 years | |
|---|---|---|---|---|---|
| Informed consent | X | X (online) | X (online) | X (online) | X (online) |
| Online questionnaires | X | X | X | X | X |
| Neurological examination | X | X | X | X | |
| Cognitive examination | X | X | X | X |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.