Institution: | 1. Department of Respiratory Medicine, Qilu Hospital, Shandong University;2. Department of Respiratory Medicine, Shandong Cancer Hospital and Institute;3. Department of Respiratory Medicine, Jinan Chinese Medical Hospital, , Jinan, Shandong;4. Department of Respiratory Medicine, China Medical Science Academy Fuwai Hospital;5. Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, , Beijing, China |