PeerJ Author 270 Points Contributions by role Author 270 Contributions by subject area Anesthesiology and Pain Management Evidence Based Medicine Psychiatry and Psychology Elke Veirman PeerJ Author Summary Anesthesiology & Pain Management Evidence Based Medicine Psychiatry & Psychology PeerJ Contributions Articles 2 June 29, 2021 What do alexithymia items measure? A discriminant content validity study of the Toronto-alexithymia-scale–20 Elke Veirman, Dimitri M.L. Van Ryckeghem, Gregory Verleysen, Annick L. De Paepe, Geert Crombez https://doi.org/10.7717/peerj.11639 PubMed 34249500 March 4, 2020 Let’s talk about pain catastrophizing measures: an item content analysis Geert Crombez, Annick L. De Paepe, Elke Veirman, Christopher Eccleston, Gregory Verleysen, Dimitri M.L. Van Ryckeghem https://doi.org/10.7717/peerj.8643 PubMed 32181053