An online international comparison of thresholds for triggering a negative response to the "Surprise Question": a study protocol.
Nicola WhiteLinda OostendorpVictoria VickerstaffChristina GerlachYvonne EngelsMaud MaessenChristopher TomlinsonJohan WensBert LeysenGuido BiascoSofia ZambranoSteffen EychmüllerChristina AvgerinouRabih ChattatGiovanni OttoboniCarel VeldhovenPatrick StonePublished in: BMC palliative care (2019)
Clinicaltrials.gov NCT03697213 (05/10/2018). Prospectively registered.