1. Department of Oral Medicine & Radiology, King George’s Medical University, Lucknow, Uttar Pradesh, India.
2. Department of Biostatistics, Bapuji Dental College & Hospital, Davengere, Karnataka, India.
3. Department of Periodontology, Faculty of Dentistry, University of Kyrenia, Kyrenia, Cyprus.
4. Department of Periodontology, College of Dentistry and Institute of Oral Bioscience, Jeonbuk National University, Jeonju, Korea.
5. Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Korea.