[1] Katholieke Univ Leuven, Fac Med, Dept Imaging & Pathol, OMFS IMPATH Res Grp, Herestr 49, B-3000 Leuven, Belgium
[2] Univ Hosp Leuven, Oral & Maxillofacial Surg, Herestr 49, B-3000 Leuven, Belgium
[3] Univ Hosp Leuven, Dept Human Genet, Herestr 49, B-3000 Leuven, Belgium