1. School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung 84001, Taiwan
2. Department of Neurology, Shuang-Ho Hospital, Taipei Medical University, New Taipei 235, Taiwan
3. Department of Anesthesiology, Taipei Medical University Hospital, 252 Wuxing Street, Taipei 110, Taiwan
4. Health Policy Research Centre, Taipei Medical University Hospital, Taipei 110, Taiwan
5. School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
6. Graduate Institute of Injury Prevention and Control, Taipei Medical University, Taipei 110, Taiwan