[1
]
Department of Neurology, Rhode Island Hospital and Brown University Warren Alpert
Medical School, Providence, RI, United States; Geriatric Research Education Clinical
Center, Edith Nourse Rogers Memorial Veterans Hospital, Bedford, MA, United States.
[2
]
Geriatric Research Education Clinical Center, Edith Nourse Rogers Memorial Veterans
Hospital, Bedford, MA, United States.
[3
]
Geriatric Research Education Clinical Center, Edith Nourse Rogers Memorial Veterans
Hospital, Bedford, MA, United States; Medical Research & Development Service, Edith
Nourse Rogers Memorial Veterans Hospital, Bedford, MA, United States.
[4
]
Geriatric Research Education Clinical Center, Edith Nourse Rogers Memorial Veterans
Hospital, Bedford, MA, United States. Electronic address: weiming.xia@va.gov.