1. School of Pharmacy, China Medical University, Shenyang, China
2. Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
3. Division of Chemical Metrology and Analytical Science, National Institute of Metrology, Beijing, China
4. Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China