1. Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng 252059, China
2. RI-B-NT - Research Institute of Bioinformatics and Nanotechnology, Schauenburgerstr.116, 24118 Kiel, Germany
3. Department of Virology, School of Public Health, Shandong University, Jinan 250012, China
4. Liaocheng High-Tech Biotechnology Co., Ltd., Liaocheng 252059, China