ORIGINAL ARTICLE Gertrude Van Gorp Corresponding Author E-mail address: gertrude.vangorp@uzleuven.be KU Leuven Department of Oral Health Sciences, Population studies in Oral health University Hospitals Leuven, Paediatric Dentistry and Special dental care Correspondence Gertrude Van Gorp, Department of Oral Health Sciences, Kapucijnenvoer 7, PO box 7001, B‐3000 Leuven, Belgium, Tel: +32 16 332307 E‐mail: gertrude.vangorp@uzleuven.be Search for more papers by this author This article has been...