Affiliation: | 1. Department of Respiratory Medicine, The Third People''s Hospital of Jinan, Jinan, Shandong, 250000, PR China;2. Department of Cardiology, Qingdao Eighth People''s Hospital, Qingdao, Shandong, 266100, PR China;3. Department of Pharmacy, Shengli Oilfield Central Hospital, Dongying, 257034, Shandong, PR China |