[1
]
Department of Respiratory Medicine, Qilu Hospital, Shandong University, No. 107, Wenhua
Xi Road, Jinan, Shandong, 250012, PR China; Department of Respiratory Diseases, China-Japan
Friendship Hospital, Peking University, Beijing, PR China. Electronic address: wangwenqiao1989@163.com.
[2
]
Department of Respiratory Medicine, Qilu Hospital, Shandong University, No. 107, Wenhua
Xi Road, Jinan, Shandong, 250012, PR China. Electronic address: 13256742856@163.com.
[3
]
College of Population, Resources and Environment, Shandong Normal University, No.
88, Wenhua Dong Road, Jinan, Shandong, 250012, PR China. Electronic address: wqy6420582@163.com.
[4
]
College of Population, Resources and Environment, Shandong Normal University, No.
88, Wenhua Dong Road, Jinan, Shandong, 250012, PR China. Electronic address: gissuifeng@163.com.
[5
]
Department of Respiratory Medicine, Qilu Hospital, Shandong University, No. 107, Wenhua
Xi Road, Jinan, Shandong, 250012, PR China. Electronic address: ma@qiluhuxi.com.
[6
]
Department of Respiratory Medicine, Qilu Hospital, Shandong University, No. 107, Wenhua
Xi Road, Jinan, Shandong, 250012, PR China. Electronic address: xiaowei4226@163.com.