[1]China Japan Friendship Hosp, Dept Pulm & Crit Care Med, Ctr Resp Med, Beijing, Peoples R China;
[2]China Japan Friendship Hosp, Inst Clin Med Sci, Beijing, Peoples R China;
[3]Natl Clin Res Ctr Resp Dis, Beijing, Peoples R China;
[4]Chinese Acad Med Sci, Grad Sch, Peking Union Med Coll, Beijing, Peoples R China;
[5]Peking Union Med Coll, Beijing, Peoples R China;
[6]Beijing Univ Chinese Med, Beijing, Peoples R China;
[7]Peking Univ, Hlth Sci Ctr, Beijing, Peoples R China;
[8]Chongqing Med Univ, Dept Pulm & Crit Care Med, Affiliated Hosp 1, Chongqing, Peoples R China;
[9]Dalian Med Univ, Affiliated Hosp 1, Dept Resp Med, Dalian, Liaoning, Peoples R China;
[10]Sichuan Univ, Dept Pulm & Crit Med, West China Hosp, Chengdu, Sichuan, Peoples R China;
[11]Beijing Hosp, Dept Pulm & Crit Care Med, Beijing, Peoples R China;
[12]Capital Med Univ, Dept Pulm & Crit Care Med, Beijing Chaoyang Hosp, Beijing Inst Resp Med, Beijing, Peoples R China; Capital Med Univ, Dept Resp Med, Beijing, Peoples R China;
[13]Ningxia Med Univ, Gen Hosp, Ningxia, Peoples R China;
[14]Henan Univ Sci & Technol, Affiliated Hosp 1, Luoyang, Peoples R China;
[15]Peoples Hosp Xinjiang Uygur Autonomous Reg, Xinjiang, Urumqi, Peoples R China;
[16]Beijing Hosp, Beijing, Peoples R China;
[17]China Med Univ, ShengJing Hosp, Shenyang, Liaoning, Peoples R China;
[18]Beijing Anzhen Hosp, Beijing, Peoples R China;
[19]Shenzhen Peoples Hosp, Shenzhen, Peoples R China;
[20]Harbin Med Univ, Affiliated Hosp 2, Harbin, Heilongjiang, Peoples R China;
[21]Nanchang Univ, Affiliated Hosp 2, Nanchang, Jiangxi, Peoples R China;
[22]Zhengzhou Univ, Affiliated Hosp 1, Zhengzhou, Henan, Peoples R China;
[23]Peking Univ, Hosp 3, Beijing, Peoples R China;
[24]Qingdao Univ, Affiliated Hosp, Qingdao, Peoples R China;
[25]Beijing Shijitan Hosp, Beijing, Peoples R China;
[26]Bengbu Med Coll, Affiliated Hosp 1, Bengbu, Peoples R China;
[27]Zhejiang Univ, Affiliated Hosp 1, Hangzhou, Zhejiang, Peoples R China;
[28]First Affiliated Hosp Sun Yat Sen, Guangzhou, Guangdong, Peoples R China;
[29]Beijing Jingmei Hosp, Beijing, Peoples R China;
[30]Cent S Univ, Xiangya Hosp, Changsha, Hunan, Peoples R China;
[31]Dalian Med Univ, Affiliated Hosp 1, Dalian, Peoples R China;
[32]Beijing Daxing Peoples Hosp, Beijing, Peoples R China;
[33]Changhai Hosp Shanghai, Shanghai, Peoples R China;
[34]Zhejiang Taizhou Hosp, Wenzhou, Zhejiang, Peoples R China;
[35]Jinzhou Med Univ, Affiliated Hosp 1, Jinzhou, Peoples R China;
[36]West China Hosp, Chengdu, Sichuan, Peoples R China;
[37]North Sichuan Med Coll, Affiliated Hosp, Nanchong, Peoples R China;
[38]Shanxi Prov Peoples Hosp, Taiyuan, Shanxi, Peoples R China;
[39]Zhejiang Univ, Sir Run Run Shaw Hosp, Sch Med, Hangzhou, Zhejiang, Peoples R China;
[40]Xi An Jiao Tong Univ, Affiliated Hosp 1, Xian, Shaanxi, Peoples R China;
[41]PLA, Hosp 101, Wuxi, Peoples R China;
[42]Beijing Tongren Hosp, Beijing, Peoples R China;
[43]Shanghai Rui Jin Hosp, Shanghai, Peoples R China;
[44]First Hosp Shijiazhuang, Shijiazhuang, Hebei, Peoples R China;
[45]Shanxi Med Univ, Hosp 1, Taiyuan, Shanxi, Peoples R China;
[46]Chengdu First Peoples Hosp, Chengdu, Sichuan, Peoples R China;
[47]Zibo First Hosp, Zibo, Peoples R China;
[48]Hebei Med Univ, Hosp 1, Shijiazhuang, Hebei, Peoples R China;
[49]First Peoples Hosp Yichang, Yichang, Hubei, Peoples R China;
[50]Chengdu Fifth Peoples Hosp, Chengdu, Sichuan, Peoples R China;
[51]Guangzhou Med Univ, Affiliated Hosp 1, Guangzhou, Guangdong, Peoples R China;
[52]Quanzhou First Hosp, Quanzhou, Fujian, Peoples R China;
[53]KaiLuan Gen Hosp, Tangshan, Hebei, Peoples R China;
[54]Tianjin Haihe Hosp, Tianjin, Peoples R China;
[55]Beijing Shunyi Distr Hosp, Beijing, Peoples R China;
[56]Suzhou Univ, Affiliated Hosp 1, Suzhou, Peoples R China;
[57]Hebei Med Univ, Hosp 2, Shijiazhuang, Hebei, Peoples R China;
[58]Xijing Hosp, Xian, Shaanxi, Peoples R China;
[59]Inner Mongolia Baogang Hosp, Baotou, Peoples R China;
[60]Xinjiang Prod & Construction Corps Hosp, Kuitun, Peoples R China;
[61]Chengde Med Univ, Affiliated Hosp, Chengde, Peoples R China;
[62]Dongguan Peoples Hosp, Dongguan, Peoples R China;
[63]Shanghai Liqun Hosp, Shanghai, Peoples R China;
[64]Nantong Med Coll, Affiliated Hosp, Nantong, Peoples R China;
[65]Shanghai Huashan Hosp, Shanghai, Peoples R China;
[66]Jilin Univ, Hosp 2, Changchun, Jilin, Peoples R China;
[67]Shandong Prov Hosp, Jinan, Shandong, Peoples R China;
[68]Shenyang Med Coll, Affiliated Hosp Ctr, Shenyang, Liaoning, Peoples R China;
[69]Shandong Univ, Qilu Hosp, Jinan, Shandong, Peoples R China;
[70]Anhui Chest Hosp, Hefei, Anhui, Peoples R China;
[71]Peoples Hosp Guangxi Zhuang Autonomous Reg, Nanning, Peoples R China;
[72]Guangdong Peoples Hosp, Guangzhou, Guangdong, Peoples R China;
[73]Fuwai Hosp, Beijing, Peoples R China;
[74]Tangdu Hosp, Xian, Shaanxi, Peoples R China;
[75]Xinjiang Uygur Autonomous Reg Hosp Tradit Chinese, Urumqi, Peoples R China;
[76]Handan First Hosp, Handan, Peoples R China;
[77]Shenzhen Nanshan Peoples Hosp, Shenzhen, Peoples R China;
[78]Kunming Med Univ, Affiliated Hosp 1, Kunming, Yunnan, Peoples R China;
[79]Beijing Fuxing Hosp, Beijing, Peoples R China;
[80]Shandong Linzi Dist Peoples Hosp, Linzi, Peoples R China;
[81]Wenzhou Med Coll, Affiliated Hosp 1, Wenzhou, Peoples R China;
[82]Inner Mongolia Autonomous Peoples Hosp, Hohhot, Peoples R China;
[83]Guizhou Prov Peoples Hosp, Guiyang, Guizhou, Peoples R China;
[84]Weifang Resp Dis Hosp, Weifang, Peoples R China;
[85]Yantaishan Hosp, Yantai, Shandong, Peoples R China;
[86]Shantou Univ, Associated Yuebei Peoples Hosp, Med Coll, Shantou, Peoples R China;
[87]Qinghai Prov Peoples Hosp, Xining, Qinghai, Peoples R China;
[88]Shenyang Sujiatun Dist Cent Hosp, Shenyang, Liaoning, Peoples R China;
[89]306th Hosp PLA, Beijing, Peoples R China;
[90]Taiyuan City Ctr Hosp, Taiyuan, Shanxi, Peoples R China;
[91]Wuxi Peoples Hosp, Wuxi, Peoples R China;
[92]Southern Med Univ, Nanfang Hosp, Guangzhou, Guangdong, Peoples R China;
[93]Wuhan Univ, Zhongnan Hosp, Wuhan, Hubei, Peoples R China;
[94]Zhengzhou Hosp Tradit Chinese Med, Zhengzhou, Henan, Peoples R China;
[95]Jiangyin Peoples Hosp, Jiangyin, Peoples R China;
[96]PLA Navy Anqing Hosp, Anqing, Peoples R China;
[97]Sixth Peoples Hosp Chongqing, Chongqing, Peoples R China;
[98]Army Gen Hosp, Clin Dept 263, Beijing, Peoples R China