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Landmarks used in this study
| AST | Asterion |
| BAS | Basion |
| BRG | Bregma |
| FZJ | Frontomalare orbitale |
| JUG | Jugular process (anterior point) |
| LAM | Lambda |
| NAL | Nasale |
| NAS | Nasion |
| PTP | Pterion posterior (fronto-spheno-parietal intersection) |
| SEL | Centre of sella turcica (on bone) |
| VSJ | Hormion (posterior midline point on vomer) |
| ZMS | Zygomaxillare superior |
See Fig. 1 for landmark location on the skull.
