Inclusion Criteria:  Have periventricular hemorrhage, ICH stages 2, 3, 4, cystic PVL, stage 3 HIE, kernicterus, perinatal asphyxia, chronic lung disease, RDS, BPD, long-term oxygen (7 days), >24 hours mechanical ventilator (MV) support, 5th minute Apgar Score <3, neonatal sepsis, necrotizing enterocolitis (NEC), retinopathy of prematurity (ROP), gestation age <32 weeks, and prematurity due to preterm/multiple births<1500 gr.  Exclusion Criteria:  Infants with congenital malformation (Spina Bifida, Congenital Muscular Torticollis, Arthrogriposis Multiplex Congenita etc.) Infants diagnosed with metabolic and genetic diseases (Down Syndrome,Spinal Muscular Atrophy, Duchenne Muscular Dystrophy etc.) Infants still intubated and mechanical ventilator dependent at postterm 3 months.