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org/10.1007/BF03405218 Hammarström, A., Johansson, K., Annandale, E., Ahlgren, C., Aléx, L., Christianson,M., Elwér, S., Eriksson, C., Fjellman-Wiklund, A., Gilenstam, K., Gustafsson, P.E., Harryson, L., Lehti [...] 163–187. Vandenbroucke, J.P., von Elm, E., Altman, D.G., Gøtzsche, P.C., Mulrow, C.D., Pocock, S.J., Poole, C., Schlesselman, J.J., Egger, M., for the STROBE Initiative, 2007. Strengthening the Reporting of [...] org/10.1371/journal.pone.0152735 Heise, L., Greene, Margaret E, Opper, N., Stavropoulou, M., Harper, C., Nascimento, M., Zewdie, D., Darmstadt, G.L., Greene, Margaret Eleanor, Hawkes, S., Heise, L., Henry