[1] Harvard Sch Dent Boston, Boston, MA USA
[2] Harvard Med Sch, Boston, MA USA
[3] Boston Childrens Hosp, Dept Plast & Oral Surg, 300 Longwood Ave, Boston, MA 02115 USA
[4] Aarhus Univ, Dept Odontol & Oral Hlth, Sect Orthodont, Aarhus, Denmark
[5] Aarhus Univ Hosp, Dept Oral & Maxillofacial Surg, Aarhus, Denmark
[6] Emory Univ, Sch Med, Atlanta, GA USA
[7] Childrens Healthcare Atlanta, Div Oral & Maxillofacial Surg, Dept Surg, Atlanta, GA USA
[8] Childrens Healthcare Atlanta, Div Oral & Maxillofacial Surg, Dept Pediat, Atlanta, GA USA
[9] Univ Calgary, Calgary, AB, Canada
[10] Alberta Childrens Prov Gen Hosp, Dept Paediat, Div Rheumatol, Calgary, AB, Canada