1. Department of Nephrology Nanshan Hospital of Guangdong Medical University (Huazhong University of Science and Technology Union Shenzhen Hospital) Shenzhen Guangdong China
2. Guangdong Breath Test Engineering and Technology Research Center Shenzhen University Shenzhen Guangdong China
3. Shenzhen Zhonghe Headway Bio‐Sci & Tech Co. Ltd. Shenzhen Guangdong China
4. Department of Gastroenterology Nanshan Hospital of Guangdong Medical University (Huazhong University of Science and Technology Union Shenzhen Hospital) Shenzhen Guangdong China