Wazir Norjali Wazir, M. R., Van Hiel, M., Mostaert, M., Deconinck, F. J. A., Pion, J., Lenoir, M. Veröffentlicht in PLOS ONE (2019) “...child...”
Opstoel, K., Pion, J., Elferink-Gemser, M., Hartman, E., Willemse, B., Philippaerts, R., Visscher, C., Lenoir, M. Veröffentlicht in PLOS ONE (2015) “... in the Flemish Sports Compass were used. Only the primary sport of each child was considered and six groups...”