1. Department of Neurosurgery; Dalin Tzu Chi Hospital; Buddhist Tzu Chi Medical Foundation; Chiayi Taiwan
2. School of Medicine; Tzu Chi University; Hualien Taiwan
3. Department of Medical Research; Dalin Tzu Chi Hospital; Buddhist Tzu Chi Medical Foundation; Chiayi Taiwan
4. Dalla Lana School of Public Health; University of Toronto; Toronto ON Canada
5. Department of Otolaryngology; Dalin Tzu Chi Hospital; Buddhist Tzu Chi Medical Foundation; Chiayi Taiwan
6. Sleep Center; Dalin Tzu Chi Hospital; Buddhist Tzu Chi Medical Foundation; Chiayi Taiwan