1. School of Automation Science and Electrical Engineering; Beihang University; Beijing China
2. The State Key Laboratory of Fluid Power Transmission and Control; Zhejiang University; Hangzhou China
3. Department of Pulmonary and Critical Care Medicine; China-Japan Friendship Hospital; Beijing China
4. Department of Statistical Science; Duke University; Durham NC USA
5. Faculty of Health Sciences; University of Macau; Taipa Macau