Humans 3 Male Principal component analysis female 3 human 3 male 3 principal component analysis Adult 2 Article 2 Child 2 Female 2 Principal Component Analysis 2 adult 2 child 2 controlled study 2 Acoustic structures 1 Acoustic variables 1 Acoustics 1 Anatomic Landmarks 1 Biological Variation, Individual 1 Biological Variation, Population 1 Biomechanical Phenomena 1 Children 1 Craniofacial abnormalities 1 Face 1 Formant frequency 1 Gait 1 Goldenhar Syndrome 1 Goldenhar syndrome 1 Hemifacial microsomia 1