1. Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science and Technology University, Beijing 100015, China
2. Emergency and Critical Care Center, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
3. School of Life Sciences, Beijing Institute of Technology, Beijing 100086, China
4. Intelligent Human-Machine Systems Lab, College of Engineering, Northeastern University, Boston, MA 02115, USA