1. Schulich Dentistry and Department of Biochemistry, Schulich School of Medicine & Dentistry, The University of Western Ontario, London, ON, Canada
2. Department of Biomineralization, The Forsyth Institute, Boston, MA, USA
3. Department of Periodontology and Oral Biology, Boston University Henry M. Goldman School of Dental Medicine, Boston University, 700 Albany Street, CABR, Suite W-201, Boston, MA 02118, USA
4. Department of Pediatric Dentistry, Faculty of Dentistry, University of São Paulo, Brazil