1. Department of Oral Maxillofacial Surgery, UAB School of Dentistry, University of Alabama at Birmingham, Birmingham, AL, USA
2. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chulalongkorn University, Bangkok Thailand
3. Department of Biostatistics, Chair School of Public Health Online Education Committee, Chair Recruitment and Retention, Biostatistics Graduate Program Committee, University of Alabama at Birmingham School of Public Health, Birmingham, AL, USA