Determining the impact of a school-based health education package for prevention of intestinal worm infections in the philippines: Protocol for a cluster randomized intervention trial

Mary Lorraine S. Mationg, Gail M. Williams, Veronica L. Tallo, Remigio M. Olveda, Eindra Aung, Portia Alday, Mark Donald Reñosa, Chona Mae Daga, Jhoys Landicho, Maria Paz Demonteverde, Eunice Dianne Santos, Thea Andrea Bravo, Franziska A. Angly Bieri, Yuesheng Li, Archie C.A. Clements, Peter Steinmann, Kate Halton, Donald E. Stewart, Donald P. McManus, Darren J. Gray^*