1. Anemia Therapeutic Centre, State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College Tianjin China
2. Guangdong Breath Test Engineering and Technology Research Center Shenzhen University Shenzhen China
3. School of Medicine Sun Yat‐Sen University Guangzhou China