End-of-life decisions: a cross-national study of treatment preference discussions and surrogate decision-maker appointments, Evans, N., Pasman H.R., Vega Alonso T., Van den Block L., Miccinesi G., Van Casteren Viviane, Donker G.A., Bertolissi S., Zurriaga O., Deliens L., et al. , PLoS ONE, 30/6/2013, Volume 8, Issue 3, p.e57965, (2013)