Examining the Acceptability of Helminth Education Packages “Magic Glasses Lower Mekong” and “Magic Glasses Opisthorchiasis” and Their Impact on Knowledge, Attitudes, and Practices Among Schoolchildren in the Lower Mekong Basin: Protocol for a Cluster Randomized Controlled Trial - Suji Y O'Connor; Mary Lorraine Mationg; Matthew J Kelly; Gail M Williams; Archie CA Clements; Banchob Sripa; Somphou Sayasone; Virak Khieu; Kinley Wangdi; Donald E Stewart; Sirikachorn Tangkawattana; Apiporn T Suwannatrai; et al. (JMIR Research Protocols, 2024)