1. Pediatric & Preventive Dentistry, Centre for Dental Education & Research All India Institute of Medical Sciences New Delhi India
2. UWA Dental School, University of Western Australia Nedlands Western Australia Australia
3. School of Dental Science Trinity College Dublin, The University of Dublin Dublin Ireland
4. Private Practice of Pediatric Dentistry and board of directors of the Children's Oral Health Network of Maine Scarborough Maine USA
5. Private Practice, Portage la Prairie, Manitoba, Canada. and The University of Manitoba Faculty of Dentistry Winnipeg Manitoba Canada
6. University of Minnesota Medical Center Minneapolis Minnesota USA
7. Faculty of Medicine and Dentistry University of Alberta Edmonton Alberta Canada