Gwo-Chi Hu, Yao-Chia Chuang Department of Rehabilitation Medicine Mackay Memory Hospital and Mackay Medicine, Nursing and Management College, Taipei,
Jen-Pei Liu Division of Biometry, Department of Agronomy, National Taiwan University, Taipei, and Division of Biostatistics and Bioinformatics, National Health Research Institutes, Zhunan,
Kuo-Liong Chien Institute of Preventive Medicine, College of Public Health, National Taiwan University, Taipei,
Yi-Min Chen Department of Neurology Mackay Memory Hospital and
Ying-Fang Chen Department of Rehabilitation Medicine Mackay Memory Hospital and Mackay Medicine, Taipei, Taiwan