Identification and validation of susceptibility modules and hub genes in polyarticular juvenile idiopathic arthritis using WGCNA and machine learning. Junfeng Liu Jianhui Fan Hongxiang Duan Guoming Chen Weihua Zhang Pingxi Wang a Department of Orthopedics, Dazhou Central Hospital, Dazhou, Chinab Chengdu University of Traditional Chinese Medicine, Chengdu, Chinac North Sichuan Medical College, Nanchong, Chinad College of Public Health Sciences, Chulalongkorn University, Bangkok, Thailande Division of Rheumatology, Dazhou Central Hospital, Dazhou, China