This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New Born Infants, Subject name: Pediatrics
[{'content': 'Most common vasculitis in children: \nSelect and explain. \nA. Kawasaki disease, B. Takayasu disease, C. HSP, D. Microscopic PAN', 'role': 'user'}, {'content': "Answer: C \nExplanation: c. HSP(Ref: Nelson's 20/e p 1216-1217, Ghai 8/e p 632-633)Henoch-Schonlein purpura (HSP) is the most common vasculitis of childhood.", 'role': 'assistant'}]