1. Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, 639 Longmian Road, Jiangning District, Nanjing 210009, China
2. Department of Health Technology and Informatics, The Hong Kong Polytechnic University, 11 Yuk Choi Road, Hung Hom, Kowloon, 999077 Hong Kong, China
3. Third Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Wuhua District, 650000 Kunming, Yunnan Province, China