Hautz, S. C., Schuler, L., Kämmer, J. E., Schauber, S. K., Ricklin, M. E., Sauter, T. C., et al. (2016). Factors predicting a change in diagnosis in patients hospitalised through the emergency room: A prospective observational study. BMJ Open, 6: e011585. doi:10.1136/bmjopen-2016-011585.