Maximizing children's physical activity: an evaluability assessment to plan a community-based, multi-strategy approach in an ethnoracially and socio-economically diverse city. - Dwyer,JJ.; Hansen,B.; Barrera,M.; Allison,K.; Ceolin-Celestini,S.; Koenig,D.; Young,D.; Good,M.; Rees,T. (Health Promot Int, 2003)