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.
IVI-VLV results relating to emotional well-being (A) and activities of daily living (B). Data shows that emotional well-being and activities of daily living scores remain stable over the two-year clinical trial for subjects 1, 2, and 3. For subject 4, emotional well-being decreased over time because of psychosocial stressors unrelated to the study.
