Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China; Department of Child Health, School of Public Health, Huazhong University of Science and Technology, Wuhan, China. Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China. Department of Nutrition and Food Hygiene, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China. Center for Primary Care and Public Health (Unisanté), University of Lausanne, Lausanne, Switzerland. Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China. Electronic address: xibo2007@126.com.