Fine P, Victora CG, Rothman KJ, Moore PS, Chang Y, Curtis V, et al. John Snow's legacy: epidemiology without borders. Lancet. 2013;381(9874):1302-11. DOI: 10.1016/S0140-6736(13)60771-0. PubMed PMID: 23582396.
Berg D, Lang AE, Postuma RB, Maetzler W, Deuschl G, Gasser T, et al. Changing the research criteria for the diagnosis of Parkinson's disease: obstacles and opportunities. Lancet Neurol. 2013;12(5):514-24. DOI: 10.1016/S1474-4422(13)70047-4. PubMed PMID: 23582175.
Walshe K, McKee M, McCarthy M, Groenewegen P, Hansen J, Figueras J, et al. Health systems and policy research in Europe: Horizon 2020. Lancet. 2013;382(9893):668-9. DOI: 10.1016/S0140-6736(12)62195-3. PubMed PMID: 23515143.