1. CVD Collaborative Program of Shanghai Xuhui Central Hospital, Fudan University, Shanghai 200031, P. R. China
2. CVD Collaborative Program of Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P. R. China
3. Department of Rehabilitation, Shanghai Xuhui Fengling Community Healthcare Service Center, Shanghai 200032, P. R. China
4. Department of Rehabilitation, Shanghai Xuhui Caohejing Community Healthcare Service Center, Shanghai 200235, P. R. China