"Assistant, Oral pathology Department, Dalian Medical University, China (1996.7-2001.7) Instructor, Oral pathology Department, Dalian Medical University, China (2001.8-2002.9) Teaching assistant, Oral pathology Department, Tokyo Medical and Dental University, Japan (2005.4~2006.3) Research assistant, Oral pathology Department, Tokyo Medical and Dental University, Japan (2006.4~2006.9) Postdoc Fellow, Department of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, China (2007.9~2010.5) Associated Prof., Oral pathology Department, Dalian Medical University, China (2006.10-2012.12)"
Oral pathology