Primary objectives
• To document the incidence, geographical distribution, clinical features, current management, and short term outcome of selected uncommon childhood conditions or their complications in Australia
Secondary objectives
• To provide a mechanism for national collaborative research
• To issue updated clinical and diagnostic information about conditions being studied to clinicians caring for children
• To disseminate information acquired by the unit that will best guide practice, appropriate prevention strategies, and optimal health resource allocation
  • Figure 3 Objectives of the APSU.