[1] Univ Med Greifswald, Ctr Oral Hlth, Prevent & Pediat Dent, Greifswald, Germany
[2] Kings Coll London, Fac Dent Oral & Craniofacial Sci, Conservat & MI Dent, London, England
[3] Vrije Univ Brussel, Oral Hlth Res Grp, Brussels, Belgium
[4] Univ Bologna Alma Mater Studiorum, Dept Biomed & Neuromotor Sci, DIBINEM, Bologna, Italy
[5] Univ Bern, Dept Restorat Prevent & Pediat Dent, Zahnmed Kliniken ZMK, Bern, Switzerland
[6] Univ Sassari, Sch Dent, Dept Surg Microsurg & Med Sci, Sassari, Italy
[7] Univ Copenhagen, Dept Odontol, Copenhagen, Denmark
[8] Univ Talca, Fac Hlth Sci, Dept Oral Rehabil, Cariol Unit, Talca, Chile
[9] Univ Leipzig, Dept Cariol Endodontol & Periodontol, Leipzig, Germany
[10] Saarland Univ, Clin Operat Dent Periodontol & Prevent Dent, Homburg, Germany
[11] Ludwig Maximilians Univ Munchen, Univ Hosp, Dept Conservat Dent & Periodontol, Munich, Germany
[12] Univ Zagreb, Sch Dent Med, Dept Pediat & Prevent Dent, Zagreb, Croatia
[13] Univ Bern, Sch Dent Med, Bern, Switzerland
[14] Univ Med Ctr Freiburg, Fac Dent, Dept Operat Dent & Periodontol, Freiburg, Germany
[15] Lithuanian Univ Hlth Sci, Fac Odontol, Clin Dent & Oral Pathol, Kaunas, Lithuania
[16] Univ Groningen, Univ Med Ctr Groningen, Ctr Tandheelkunde Mondzorgkunde, Groningen, Netherlands
[17] Univ Melbourne, Melbourne Dent Sch, Melbourne, Vic, Australia
[18] Philipps Univ Marburg, Dent Sch, Dept Orthodont, Marburg, Germany
[19] Radboud Univ Nijmegen, Radboud Inst Hlth Sci, Dept Dent, Med Ctr, Nijmegen, Netherlands
[20] Charite Univ Med Berlin, Dept Operat & Prevent Dent, Berlin, Germany
[21] Charite Univ Med Berlin, Dept Oral Diag Digital Hlth & Hlth Serv Res, Berlin, Germany
[22] Univ Montpellier, Fac Odontol, EA Lab 4203, Montpellier, France
[23] Aix Marseille Univ, Fac dontol Marseille, Prevent & Restorat Dept, Marseille, France
[24] Tufts Univ, Sch Dent Med, Dept Comprehens Care, Boston, MA 02111 USA
[25] Indiana Univ, Sch Dent, Oral Hlth Res Inst, Indianapolis, IN USA
[26] Witten Herdecke Univ, Fac Hlth, Sch Dent, Dept Operat & Prevent Dent, Witten, Germany
[27] Univ Clermont Auvergne, Ctr Rech Odontol Clin EA 4847, Dept Odontol Conservatrice, UFR Odontol, Clermont Ferrand, France
[28] CHU Estaing Clermont Ferrand, Serv Odontol, Clermont Ferrand, France