1. Department of Respiratory Medicine, The Affiliated Hospital of Yunnan University, The Second People’s Hospital of Yunnan Province, Kunming, 650021 Yunnan, China
2. Department of Dermatology and Venereology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
3. Department of Dermatology, The People’s Hospital of Yuxi City, The Sixth Affiliated Hospital of Kunming Medical University, Yuxi 653100, Yunnan, China
4. First Department of Respiratory Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032 Yunnan, China