Doxycycline for the treatment of nodding syndrome (DONS); the study protocol of a phase II randomised controlled trial. -н Idro, R, Anguzu, R, Ogwang, R, Akun, P, Abbo, C, Mwaka, A, Opar, B, Nakamya, P, Taylor, M, Elliott, A, Vincent, A, Newton, C, Marsh, K