title: The Quality of Pain Centers, How should it be Assessed?
authors.affiliation: Department of Anesthesiology & Pain Management, Maastricht University Medical Centre, University Pain Center Maastricht, Maastricht, The Netherlands.
authors.forename: Nelleke
authors.initials: N
authors.lastname: de Meij
authors.affiliation: Department of Anesthesiology & Pain Management, Maastricht University Medical Centre, University Pain Center Maastricht, Maastricht, The Netherlands.|Department of Anesthesiology & Pain Management, VUMC, Amsterdam, The Netherlands.
authors.forename: Maarten
authors.initials: M
authors.lastname: van Kleef