Clinical Characteristics, Treatment and Prognosis of Chest Tightness Variant Asthma

Second Affiliated Hospital, School of Medicine, Zhejiang University, Hanzhou

Beijing Chao-Yang Hospital, Beijing

Beijing Tongren Hospital, Capital Medical University, Beijing

China-Japan Friendship Hospital, Beijing

Xinqiao Hospital，Third Military Medical University, Chongqing

The Second Affiliated Hospital，Fujian Medical University, Fuzhou

Nanfang Hospital, Nanfang Medical University, Guangzhou

The First Affiliated Hospital,Guangzhou Medical University, Guangzhou

People's Hospital of Shenzhen, Shenzhen

Affiliated Hospital,Zhanjiang Medical College, Zhanjiang

Guizhou Provincial People's Hospital, Guiyang

Henan Provincial People's Hospital, Zhengzhou

Tongji Hospital，Tongji Medical College，Huazhong University of Science and Technology, Wuhan

The Second Xiangya Hospital of Central South University, Changsha

Xiangya Hospital of Central South University, Changsha

Jiangsu Province Hospital, Nanjing

The Central Hospital of Shenyang Military, Shenyang

The First Affiliated Hospital, China Medical University, Shenyang

Xijing Hospital, Xi'an

Qilu Hospital, Shandong University, Jinan

Shandong Provincal Hospital, Jinan

Qingdao Municipal Hospital, Qingdao

Weifang Asthma Hospital, Weifang

Yantai liuhuanding Hospital, Yantai

Changhai Hospital, Second Military Medical University, Shanghai

No.1 Hospital, Shanghai Jiaotong University, Shanghai

Ruijin Hospital, Shanghai Jiaotong University, Shanghai

Tongji Hospital, Tongji University, Shanghai

Xinhua Hospital, Shanghai Jiaotong University, Shanghai

Zhongshan Hospital, Fudan University, Shanghai

West China Hospital，Sichuan University, Chengdu

Sir Run Run Shaw hospital, College of Medicine，Zhejiang University, Hangzhou

Huzhou Central Hospital, Huzhou

The Second Affiliated Hospital,Wenzhou Medical University, Wenzhou