1. Department of Nephrology, Lianshui People’s Hospital, Kangda College of Nanjing Medical University, Huai’an City, China
2. Jiangsu College of Nursing, Huai’an City, China
3. School of Lianshui Clinical Medicine, Medical College of Yangzhou University, Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou, China.