1. UFR Odontologie; Université Montpellier 1; LBN 4203, Montpellier Cedex; France
2. Elsdon Storey; Chair of Child Dental Health; Melbourne Dental School; The University of Melbourne
3. Cariology and Operative Dentistry; Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University; Yushima; Bunkyo-ku Tokyo; Japan
4. UFR Odontologie Marseille; Preventive and Restorative Department; Aix-Marseille-Universiteé; Marseille Cedex; France
5. Department of Pedodontics and DAV Dental College; Yamuna Nagar; Haryana, India
6. Division of Prosthodontics; Director Clinical Sciences Research Group; Department of Preventive and Restorative Dental Sciences; School of Dentistry; University of California at San Francisco; USA