Laboratory validation and field usability assessment of a point-of-care test for serum bilirubin levels in neonates in a tropical setting by Thielemans, L, Hashmi, A, Priscilla, D, Kho Paw, M, Pimolsorntong, T, Ngerseng, T, Van Overmeire, B, Proux, S, Nosten, F, McGready, R, Carrara, V, Bancone, G