Physical activity and quality of life of children and adolescents with juvenile idiopathic arthritis, juvenile systemic lupus erythematosus and juvenile dermatomyositis during the COVID-19 pandemic Renata Soares, Fabiana de Carvalho Silva, Jade Dib Fernandez, Melissa Mariti Fraga, Maria Teresa Terreri, Claudio Arnaldo Len

The association between healthy lifestyle behaviors and health-related quality of life among adolescents José J. Muros, Federico Salvador Pérez, Félix Zurita Ortega, Vanesa M. Gámez Sánchez, Emily Knox

Specific instruments to assess quality of life in children and adolescents with asthma Cristian Roncada, Rita Mattiello, Paulo M. Pitrez, Edgar E. Sarria