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Put these causes of pediatric limp in order of what age they typically present, from youngest to oldest:

  1. Legg-Calve-Perthes disease
  2. Developmental dysplasia of the hip
  3. Slipped capital femoral epiphysis
  4. Nondisplaced hairline oblique fracture of the tibia w/o history of trauma

What is the order of typical presentation from youngest to oldest?