1. Biomedical Engineering Institute, School of Control Science and Engineering, Shandong University, Jinan, People’s Republic of China
2. PFLMET Experimental Center, Shandong University, Jinan, People’s Republic of China
3. Department of Equipment, Jinan Central Hospital, Jinan, People’s Republic of China
4. Department of Environmental Protection of Shandong Province, Jinan City, Shandong Province, People’s Republic of China