Psychogeriatric;
Department,;
Castle;
Peak;
Hospital;
Department;
of;
Rehabilitation;
Science,;
Hong;
Kong;
Polytechnic;
University;
Department;
of;
Medicine;
and;
Geriatrics,;
Princess;
Margaret;
Hospital;
United;
Christian;
Hospital,;
Hong;
Kong,;
SAR,;
China;