Pascal Vanelderen, MD, FIPP*; Koen Van Boxem, MD, FIPP; Jan Van Zundert, MD, PhD, FIPP* *Department of Anesthesiology, Intensive Care Medicine and Multidisciplinary Pain Clinic, Ziekenhuis Oost-Limburg, Genk, Belgium; Department of Anesthesiology, Pain and Palliative Medicine, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands; Department of Anesthesiology and Pain Management...