Evaluation of integrated interventions layered on mass drug administration for urogenital schistosomiasis elimination: a cluster-randomised trial oleh Stefanie Knopp, PhD, Bobbie Person, PhD, Shaali M Ame, PhD, Said M Ali, MSc, Jan Hattendorf, PhD, Saleh Juma, MSc, Juma Muhsin, MD, Iddi S Khamis, MSc, Khalfan A Mohammed, PhD, Jürg Utzinger, ProfPhD, Elizabeth Hollenberg, MSc, Fatma Kabole, MD, David Rollinson, PhD