Family, social and cultural determinants of long-lasting insecticidal net (LLIN) use in Madagascar: secondary analysis of three qualitative studies focused on children aged 5-15 ye... by Njatosoa, AF, Mattern, C, Pourette, D, Kesteman, T, Rakotomanana, E, Rahaivondrafahitra, B, Andriamananjara, M, Harimanana, A, Razafindrakoto, J, Raboanary, E, Andrianasolo, A, Rogier, C