1. Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
2. Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
3. Shandong Provincial Center for Disease Control and Prevention, Jinan, China
4. Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Canada
5. Department of Cardiology, The Affiliated Hospital of Qingdao University (Pingdu), Qingdao, China