1. Department of Internal Medicine; PoJen General Hospital; Taipei Taiwan
2. Graduate Institute of Biomedical Informatics; College of Medical Science and Technology, Taipei Medical University; Taipei Taiwan
3. Division of Urology, Department of Surgery; Triservice General Hospital SongShan Branch; Taipei Taiwan
4. School of Health Care Administration; Taipei Medical University; Taipei Taiwan
5. Sleep Research Center; Taipei Medical University Hospital; Taipei Taiwan
6. Division of Urology, Department of Surgery; Far Eastern Memorial Hospital; Banqiao, Taipei Taiwan