1. Department of Internal Medicine, University of Maryland Medical Center Midtown Campus, Baltimore, MarylandUSA
2. Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, TaipeiTaiwan
3. Department of Dentistry, National Taiwan University Hospital and School of Dentistry, National Taiwan University, TaipeiTaiwan
4. Research Center of Big Data and Meta-analysis, Wan Fang Hospital, Taipei Medical University, TaipeiTaiwan
5. Department of Medicine, Danbury Hospital, Danbury, ConnecticutUSA
6. Johns Hopkins Bloomberg School of Public Health, Baltimore, MarylandUSA
7. Department of Urology, School of Medicine, College of Medicine, Taipei Medical University, TaipeiTaiwan
8. Department of Urology, Taipei Medical University Hospital, Taipei Medical University, TaipeiTaiwan
9. Health Sciences and Human Services Library, University of Maryland, Baltimore, MDUSA
10. Departments of Family Medicine and Medical Research, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, HualienTaiwan
11. Division of Endocrinology, Diabetes and Nutrition, University of Maryland School of Medicine, Baltimore, MarylandUSA