1 Associate Professor Department of Integrated Traditional Chinese and Western Medicine, Xiangya Hospital, Central South University, Changsha 410078, Hunan, China.
2 Professor Department of Cardiovascular Medicine, Affiliated Hospital, Hunan Institute of Traditional Chinese Medicine, Changsha 410006, Hunan, China.
3 Consultant Nephrologist Nephrology Department, Royal London Hospital, Whitechapel Road, London, E1 1FR.