Differences in therapeutic approach to juvenile dermatomyositis between Europe and Latin America oleh Trail L, Ferrari C, Cuttica R, Katsicas MM, Russo R, Bandeira M, Ferriani V, Oliveira S, Saad-Magalhaes C, Silva CA, Baca V, Burgos-Vargas R, Solis-Vallejo E, Maillard S, Pilkington C, Barcellona R, Beltramelli M, Breda L, Bruno C, Cimaz R, Cortis E, Gallizzi R, Garofalo F, Meini A, Podda R, Stabile A, Martini A, Ravelli A