First national iodine survey in Madagascar demonstrates iodine deficiency associated with low household coverage of iodized salt Randremanana RV, Bastaraud A, Rabarijaona LP, Piola P, Rakotonirina D, Razafinimanana JO, Ramangakoto MH, Andriantsarafara L, Randriamasiarijaona H, Tucker-Brown A, Harimanana A, Namana S Maternal & Child Nutrition (2018)