1. Department of Oral and Maxillofacial Surgery, College and Hospital of Stomatology, Hebei Medical University; The Key Laboratory of Stomatology, Shijiazhuang, Hebei, China (mainland)
2. Department of Oral Pathology, College and Hospital of Stomatology, Hebei Medical University; Key Laboratory of Stomatology, Shijiazhuang, Hebei, China (mainland)