1. Department of Pathology, Capital Medical University Affiliated Beijing Shijitan Hospital, Beijing 100038, P.R. China
2. Department of Nuclear Magnetic Resonance, Capital Medical University Affiliated Beijing Shijitan Hospital, Beijing 100038, P.R. China
3. Cyttel Biosciences Inc., Beijing 101111, P.R. China
4. Department of Pathology, Basic Medical College, Capital Medical University, Beijing 100069, P.R. China