Cognitive and behavioral heterogeneity in genetic syndromes Luiz F.L. Pegoraro, Carlos E. Steiner, Eloisa H.R.V. Celeri, Claudio E.M. Banzato, Paulo Dalgalarrondo

Quality of life, school backpack weight, and nonspecific low back pain in children and adolescents Rosangela B. Macedo, Manuel J. Coelho-e-Silva, Nuno F. Sousa, João Valente-dos-Santos, Aristides M. Machado-Rodrigues, Sean P. Cumming, Alessandra V. Lima, Rui S. Gonçalves, Raul A. Martins

Temporal evolution of acute respiratory distress syndrome definitions José R. Fioretto, Werther B. de Carvalho