Show 5 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "subgroup analysis" cql: author exact 000081433520 or (type exact bookEditor and editor exact 000081433520) Add to list Journal Article A1 open access Two years of school-based intervention program could improve the physical fitness among Ecuadorian adolescents at health risk : subgroups analysis from a cluster-randomized trial Dolores Susana Andrade Tenesaca (UGent) , Carl Lachat (UGent) , Greet Cardon (UGent) , Angélica María Ochoa Avilés (UGent) , Roosmarijn Verstraeten (UGent) , John Van Camp (UGent) , Silvia Johana Ortiz Ulloa (UGent) , Patricia Ramirez, Silvana Donoso and Patrick Kolsteren (UGent) (2016) BMC PEDIATRICS. 16.