| Phenotype details |
see paper; ..., developmental delay, 15m-walking, delayed speech (18m-words, 27m 2-3 word phrases), no hypotonia; 22m MRI-brain nonspecific, small right frontal subcortical white matter FLAIR hyperintensity; gastroesophageal reflux in infancy, difficulty with regulating self-feeding; normal hair, normal ears; no hearing loss; normal hands/feet; no teeth anomalies; prominent metopic suture, bulbous nasal tip, bifid uvula with normal palate, facial asymmetry |