1. School of Medicine Chung Shan Medical University Taichung Taiwan Republic of China
2. Department of Orthopedics, Cishan Hospital Ministry of Health and Welfare Kaohsiung Taiwan Republic of China
3. Department of Neurosurgery Chung Shan Medical University and Chung Shan Medical University Hospital Taichung Taiwan Republic of China
4. Center for Global Health, Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
5. Department of Epidemiology Harvard T.H. Chan School of Public Health Boston Massachusetts USA
6. Graduate Institute of Biomedical Electronics and Bioinformatics College of Electrical Engineering and Computer Science, National Taiwan University Taipei Taiwan Republic of China
7. Department of Dermatology Massachusetts General Hospital Boston Massachusetts USA