1. Institute of Anatomy and EmbryologySchool of Basic Medical SciencesLanzhou UniversityLanzhouPR China
2. Key Laboratory of Preclinical Study for New Drugs of Gansu ProvinceLanzhou UniversityLanzhouPR China
3. Institute of Biochemistry and Molecular BiologySchool of Basic Medical SciencesLanzhou UniversityLanzhouPR China