@article{Guerra:70221,
      author        = "Guerra, B. and Haile, S.R. and Lamprecht, B. and Ramírez,
                       A.S. and Martinez-Camblor, P. and Kaiser, B. and Alfageme,
                       I. and Almagro, P. and Casanova, C. and Esteban-González,
                       C. and Soler-Cataluña, J.J. and de-Torres, J.P. and
                       Miravitlles, M. and Celli, B.R. and Marin, J.M. and ter
                       Riet, G. and Sobradillo, P. and Lange, P. and
                       Garcia-Aymerich, J. and Antó, J.M. and Turner, A.M. and
                       Han, M.K. and Langhammer, A. and Leivseth, L. and Bakke, P.
                       and Johannessen, A. and Oga, T. and Cosio, B. and
                       Ancochea-Bermúdez, J. and Echazarreta, A. and Roche, N.
                       and Burgel, P.-R. and Sin, D.D. and Soriano, J.B. and
                       Puhan, M.A.",
      title         = "{Large-scale external validation and comparison of
                       prognostic models: An application to chronic obstructive
                       pulmonary disease}",
      year          = "2018",
}