Department of Nephrology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu Province, 210029, China. Department of General Surgery, The First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu Province, 210029, China. Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu Province, 210029, China. Department of Nephrology, Jiangsu Province Geriatric Hospital, Nanjing, Jiangsu Province, 210024, China. Department of Urology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu Province, 210029, China.