Meihua Li1, Xiaoning Zhong1, Zhiyi He1, Mingzhi Wen1, Jiaquan Li1, Xinyan Peng1, Guangnan Liu1, Jingmin Deng1, Jianquan Zhang1, Jing Bai1
1Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi 530021, China