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