1. National Laboratory of Biomedical Photonics, Institute of Environmental Medicine, Tongji Medical College of Huazhong University of Science and Technology, 13 Hangkong Rd., Wuhan 430030, The People’s Republic of China
2. Institute of Respiratory Disease, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1095 Jiefang Ave., Wuhan 430030, The People’s Republic of China