Sandborg et al. has published an overview of juvenile idiopathic arthritis (JIA) - its classification, biology, genetics, , clinical presentations and treatment advances in the New England Journal of Medicine (NEJM).
JIA is the most common form of inflammatory arthritis in the pediatric population and includes well characterized subtypes: oligoarticular JIA, polyarticular JIA, systemic JIA, psoriatic JIA, and enthesitis-related arthritis.