| Phenotype details |
see paper; ..., no prenatal anomalies; birth at term, Cesarean section for breech presentation; hypotonia; broad-based gait, no ataxia; no seizures; MRI brain normal; global developmental delay, gross motor delay, 2y-walk; expressive speech; no ophthalmologic problems; no hearing loss; no cardiac problems; no respiratory problems; severe constipation; no renal anomalies; no genitourinary problems; no hematologic problems; no endocrine problems; no musculoskeletal problems; no immunological problems; normal skin; mild frontal bossing, raised philtrum, thin upper lip,; normal hands, normal feet |