title: Block them when it hurts.
authors.affiliation: Department of Anesthesiology, Pain and Palliative Care, Radboud University Medical Centre, Nijmegen, the Netherlands.
authors.forename: C
authors.initials: C
authors.lastname: Slagt
authors.affiliation: Department of Anesthesiology, Pain and Palliative Care, Radboud University Medical Centre, Nijmegen, the Netherlands.
authors.forename: G J
authors.initials: GJ
authors.lastname: van Geffen