Greg J. Huang, DMD, MSD, MPH, is Professor and Chair of the Department of Orthodontics at the School of Dentistry, University of Washington in Seattle, Washington, USA.
Stephen Richmond, BDS, DOrth RCS, MScD, FDSRCS, PhD, FHEA, is Professor of Orthodontics and Head of Applied Clinical Research and Public Health at the School of Dentistry, Cardiff University in Cardiff, Wales, UK.
Katherine W.L. Vig, BDS, MS, DOrth RCS, FDSRCS, is Senior Lecturer in the Department of Developmental Biology at Harvard School of Dental Medicine in Boston, Massachusetts and Professor Emeritus and Former Chair of Orthodontics at The Ohio State University College of Dentistry in Columbus, Ohio, USA.