1. Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
2. Department of Respiratory Diseases, Southern Medical University, Guangzhou, China.
3. Department of Emergency Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China.
4. State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, China.