1 Department of Pathology, the Affiliated Hospital of Qingdao University, Qingdao 266555, China.
2 The State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital, Guangzhou Medical University, Guangzhou 510120, China.
3 Department of Liver Disease, the Sixth People's Hospital of Qingdao, Qingdao 266555, China.
4 Department of Nephrology, the Affiliated Hospital of Qingdao University, Qingdao 266555, China.