1 Department of Nephrology, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
2 Department of Obstetrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China.
3 Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.
4 Department of Respiration, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
5 Department of Orthopedics, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
6 Grade 2015, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.
7 Department of Respiration, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China. Electronic address: [email protected].