Bossche, R.A. van den

children apnea development infant behavior sleep-related breathing disorders syndrome breathing subtest prader-willi syndrome index association score psychomotor development problem neurobehavioral abnormalities problem behavior abnormality study disorder performance signi ficantly sleep-related apnea index prader-willi result psychomotor cognition hypopnea performance subtests motor development apnea hypopnea index signi netherland pws children pws infants center parent motor scale sleepines dutch reference difference ef ficiency apnea syndrome genetics part table neurobehavioral growth ficantly festen picture reference population deletion population behavior checklist disomy sao 2 interquartile range ficiency sd scores impairment subscale subject rotterdam reference data patient pws subjects version group completion problem behavior score situation pre-pubertal pws children hospital pediatr wechsler ef ficiency index disability