Means AR, Orlan E, Gwayi-Chore MC, Titus A, Kaliappan SP, Togbevi CI, Chabi F, Halliday KE, Nindi P, Avokpaho E, Kalua K, Ibikounlé M, Ajjampur SSR, Weiner BJ, Walson JL, Aruldas K. Structural readiness to implement community-wide mass drug administration