Table 1 Search strategy ^a

#1

“Juvenile idiopathic arthritis” OR “juvenile chronic arthritis” OR “juvenile rheumatoid arthritis” OR “juvenile rheumatic arthritis” OR “childhood arthritis” OR “juvenile arthritis” OR JIA OR JCA OR JRA

#2

Methotrexate OR MTX OR “disease-modifying antirheumatic drug” OR “disease-modifying antirheumatic drugs” OR “disease-modifying anti rheumatic drug” OR “disease-modifying anti rheumatic drugs” OR DMARD OR DMARDs

#3

#1 AND #2