1. Student Research Committee, School of Dentistry, Zanjan University of Medical Sciences, Zanjan, Iran
2. Department of Dentistry, Oral and Maxillofacial Surgery Section, Federal University of Vales Do Jequitinhonha E Mucuri (UFVJM), Rua da Glória 187, Diamantina, Minas Gerais 39100-000, Brazil
3. Department of Oral and Maxillofacial Surgery, College of Dentistry, Gangneung-Wonju National University, Gangneung 28644, Republic of Korea
4. Department of Preventive and Restorative Dentistry, University of California, San Francisco, CA, USA
5. School of Dentistry, University of Minnesota, Minneapolis, MN, USA