[1] Hong Kong Polytech Univ, Sch Nursing, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Dept Psychiat, Hong Kong, Peoples R China
[3] Hong Kong Polytech Univ, Dept Rehabil Sci, Hong Kong, Peoples R China
[4] Tung Wah Coll, Sch Nursing, Hong Kong, Peoples R China
[5] Med Univ Vienna, Dept Neurol, Vienna, Austria
[6] Univ Macau, Unit Psychiat, Taipa, Macao, Peoples R China
[7] Univ Hong Kong, Dept Psychiat, Hong Kong, Peoples R China