Documents Savoirs Validity of two physical activity questionnaires (IPAQ and PAQA) for Vietnamese adolescents in rural and urban areas Lachat, Verstraeten Roosmarijn, Khanh Le, Hagströmer Maria, Khan Nguyen, Dung Nguyen, Kolsteren, Nguyen Van
Documents Savoirs Food insecurity, school absenteeism and educational attainment of adolescents in Jimma Zone Southwest Ethiopia: a longitudinal study Belachew Tefera, Lindstrom David, Lachat Carl, Kolsteren, Kolsteren Patrick, Hadley Craig, Gebremariam Abebe