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Objective
Ultraviolet (UV) radiation is considered to be an important environmental factor in the clinical course of children with juvenile dermatomyositis (DM). We aimed to evaluate the association between UV radiation and severe disease outcomes in juvenile DM.
Methods
This is a cross‐sectional study of patients with juvenile DM enrolled in the US multicenter Childhood Arthritis and Rheumatology...
Objective
To investigate clinical manifestations of juvenile systemic sclerosis (SSc; scleroderma), including disease characteristics and patient quality of life, using the multinational Childhood Arthritis and Rheumatology Research Alliance (CARRA) Legacy Registry.
Methods
Patients with juvenile SSc were prospectively enrolled between 2010 and 2013. The diagnosis of juvenile SSc was determined...