[1
]
Department of Physical Examination, The Second Hospital of Hebei Medical University,
Shijiazhuang, China.
[2
]
Department of Respiration, The Second Hospital of Hebei Medical University, Shijiazhuang,
China.
[3
]
Department of Radiology, The Second Hospital of Hebei Medical University, Xinhua District,
No. 215 Heping West Road, Shijiazhuang, 050000, Hebei, China.
[4
]
Department of Radiology, The Second Hospital of Hebei Medical University, Xinhua District,
No. 215 Heping West Road, Shijiazhuang, 050000, Hebei, China. xjfpy@163.com.