1. Department of Hypertension, People’s Hospital of Henan University, Henan Provincial People’s Hospital , Zhengzhou 450003 , China
2. Department of Hypertension, Henan Provincial People’s Hospital , Zhengzhou 4500003 , China
3. Department of Hypertension, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital , Zhengzhou 450003 , China
4. Department of Hypertension, Henan University of Chinese Medicine, Henan Provincial People’s Hospital , Zhengzhou 450003 , China