1. Department of Graduate Institute of Health Care; Chang Gung University of Science and Technology; Taipei Taiwan
2. Department of Internal Medicine; Chang Gung Memorial Hospital; Tao-Yuan Taiwan
3. Taiwan Society of Sleep Medicine; Taipei Taiwan
4. Sleep Center; Chang Gung Memorial Hospital; Tao-Yuan Taiwan
5. Department of Cardiovascular Medicine; Chang Gung Memorial Hospital; Tao-Yuan Taiwan
6. National Taipei University of Nursing and Health Science; Taipei City Taiwan