1. Denardo BA, Tucker LB, Miller LC, et al. Demography of a regional pediatric rheumatology patient population. Affiliated Children’s arthritis centers of New England. J Rheumatol. 1994;21:1553–61.
2. Malleson PN, Fung MY, Rosenberg AM. The incidence of pediatric rheumatic diseases: results from the Canadian pediatric rheumatology association disease registry. J Rheumatol. 1996;23:1981–7.
3. Bowyer S, Roettcher P. Pediatric rheumatology clinic populations in the united states: results of a 3 year survey. Pediatric rheumatology database research group. J Rheumatol. 1996;23:1968–74.
4. Ozen S, Ruperto N, Dillon MJ, et al. EULAR/PReS endorsed consensus criteria for the classification of childhood vasculitides. Ann Rheum Dis. 2006;65:936–41.
5. Akikusa JD, Schneider R, Harvey EA, et al. Clinical features and outcome of pediatric Wegener’s granulomatosis. Arthritis Rheum. 2007;57:837–44.