Affiliation: | 1. Department of Oral and Maxillofacial Surgery, School of Stomatology of Jilin University, Changchun City, Jilin, People's Republic of China;2. Department of Ophthalmology, The second hospital of Jilin University, ChangChun City, JiLin Prov, China;3. Department of Ultrasonic, The People's Hospital of Qufu, Qufu City, Shandong, People's Republic of China |