Prevalence and factors associated with bullying: differences between the roles of bullies and victims of bullying Georgia Rodrigues Reis e Silva; Maria Luiza Carvalho de Lima; Raquel Moura Lins Acioli; Alice Kelly Barreira;

Analysis of the prevalence and influencing factors of hyperuricemia in children and adolescents aged 6¿17 years in northeastern Sichuan Province Xuemei Guo; Ningting Xiao; Xueming Jing; Zhennan Zhu; Heping Zhang;

Sleep and restless legs syndrome in female adolescents with idiopathic musculoskeletal pain Rita Aparecida Ribeiro Amorim; Gustavo A. Moreira; Flavia Heloisa Santos; Maria Teresa Terreri; Juliana Molina; Lívia de Freitas Keppeke; Simone Guerra Lopes da Silva; Melissa Mariti Fraga; Vanessa Bugni Miotto e Silva; Tufik Sergio; Claudio Arnaldo Len;