1 Faculty of Dentistry, Department of Pediatric Dentistry, Istanbul University, Istanbul, Turkey.
2 Indiana University School of Dentistry, Indianapolis, IN, USA; University of California San Francisco School of Dentistry, San Francisco, CA, USA.
3 Faculty of Dentistry, Department of Pediatric Dentistry, Istanbul Kemerburgaz University, Istanbul, Turkey; Department of Cardiology, Endodontology and Pedodontology, ACTA, University of Amsterdam and VU University Amsterdam, Amsterdam, Netherlands.
4 Faculty of Dentistry, University "Ss. Cyril and Methodius" Skopje, Vodnjanska 17, 1000 Skopje, Macedonia.
5 Faculty of Dentistry, Department of Pediatric Dentistry, Karadeniz Technical University, Trabzon, Turkey.