Lanzhou University - Department of Laboratory Medicine, Lanzhou University - Department of Laboratory Medicine, Lanzhou University - Department of Laboratory Medicine, Lanzhou Pulmonary Hospital - Department of Laboratory Medicine, Lanzhou Pulmonary Hospital - Department of Laboratory Medicine, Lanzhou University of Technology - School of Material Science and Engineering, Lanzhou University - Information Center, Lanzhou University - Department of Laboratory Medicine, Lanzhou University - Department of Laboratory Medicine, Lanzhou University - Department of Laboratory Medicine, Lanzhou University - Department of Laboratory Medicine, Lanzhou University - Department of Laboratory Medicine, Lanzhou Pulmonary Hospital - Department of Laboratory Medicine and Government of the People's Republic of China - Department of Laboratory Medicine