1. Department of Cardiology, Rinku General Medical Center, Izumisano 598-8577, Osaka, Japan
2. Department of Internal Medicine and Medical Specialties, School of Medicine, University of Palermo, 90133 Palermo, Italy
3. Promise Department, School of Medicine, University of Palermo, 90133 Palermo, Italy
4. Department of Environmental and Occupational Medicine, National Taiwan University Hospital, Taipei 10002, Taiwan
5. Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei 10017, Taiwan
6. Division of Cardiology, Department of Internal Medicine, National Taiwan University Hospital, Taipei 10002, Taiwan