As the use of opioids and polysubstance by pregnant women has increased over the years. there has also been a sharp increase in cases of neonatal abstinence syndrome (NAS). Classically. infants affected by NAS have been cared for in neonatal intensive care units resulting in an increase of healthcare expenditure and resource utilization as well as separation from the families. https://mysocialfeeder.com/story4381231/reconstructing-nonparametric-productivity-networks