1. Department of Stomatology, Jinling Hospital, School of MedicineNanjing University Nanjing Jiangsu China
2. School of Computer Science and TechnologyHenan Polytechnic University Jiaozuo Henan China
3. Department of Electrical EngineeringThe City College of New York, CUNY New York New York
4. Nanjing Stomatological HospitalMedical School of Nanjing University Nanjing Jiangsu China
5. Department of InformaticsUniversity of Leicester Leicester UK