1. School of Medicine; National Yang-Ming University; Taipei Taiwan
2. School of Speech Language Pathology & Audiology; Chung-Shan Medical University; Taichung Taiwan
3. Department of Otolaryngology-Head & Neck Surgery; Taichung Veterans General Hospital; Taichung Taiwan
4. Division of Gastroenterology; Taichung Veterans General Hospital; Taichung Taiwan
5. Department of Public Health; China Medical University and Hospital; Taichung Taiwan
6. Department of Sensory Organs; ENT section; Sapienza University of Rome; Rome Italy
7. Division of Respiratory and Critical Care Medicine; Department of Internal Medicine; Taichung Veterans General Hospital; Taichung Taiwan
8. Department of Life Sciences; National Chung-Hsing University; Taichung Taiwan
9. Division of Chest Medicine; Department of Internal Medicine; Taichung Veterans General Hospital; Taichung Taiwan
10. Department of Medical Laboratory Science and Biotechnology; Central Taiwan University of Science and Technology; Taichung Taiwan
11. School of Medicine; Chung-Shan Medical University; Taichung Taiwan