1. Institute for Translational Medicine, Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266003, China
2. Tianjin Enterprise Key Laboratory for Application Research of Hyaluronic Acid, Tianjin 300038, China
3. School of Stomatology, Qingdao University, Qingdao 266003, China
4. Department of Gastroenterology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
5. Key Laboratory of Biopharmaceuticals, Shandong Academy of Pharmaceutical Sciences, Jinan 250101, China