A pilot study for genome wide association study (GWAS) in patients with juvenile idiopathic arthritis (JIA) and their parents by Unsal Erbil, Kasapcopur Ozgur, Salancı Bilge, Acikel Cengizhan, Bilginer Yelda, Tuncel Yener, Demirkaya Erkan, Son Yesim, Ozen Seza, Besbas Nesrin, Alikasifoglu Mehmet