Spot the difference-development of a syndrome based protein microarray for specific serological detection of multiple flavivirus infections in travelers by Cleton, N, Godeke, G, Reimerink, J, Beersma, M, Doorn, H, Franco, L, Goeijenbier, M, Jimenez-Clavero, M, Johnson, B, Niedrig, M, Papa, A, Sambri, V, Tami, A, Velasco-Salas, Z, Koopmans, M, Reusken, C