1. Digestion and Vascular Center, Department of Pancreas Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, P. R. China
2. Xinjiang Key Laboratory of Medical Animal Model Research, Urumqi 830054, P. R. China
3. Department of Pharmacy, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, P. R. China
4. Xinjiang Key Laboratory of Clinical Drug Research, Urumqi 830054, P. R. China