1. Graduate Institute of Biomedical Electronics and Bioinformatics College of Electrical Engineering and Computer Science National Taiwan University Taipei Taiwan
2. Division of Endocrinology and Metabolism Department of Medicine Taichung Veterans General Hospital Taichung Taiwan
3. Department of Medicine Chung Shan Medical University Taichung Taiwan
4. Department of Medical Research Taichung Veterans General Hospital Taichung Taiwan
5. School of Medicine National Yang‐Ming University Taipei Taiwan
6. Center for Geriatrics and Gerontology Taichung Veterans General Hospital Taichung Taiwan