Rebecca Mercieca-Bebber, Julie Rouette, Melanie Calvert, Madeleine T. King, Lori McLeod, Patricia Holch, Michael J. Palmer, Michael Brundage, on behalf of the International Society for Quality of Life Research (ISOQOL) Best Practice for PROs—Reporting Taskforce
Helene Werner, Markus A. Landolt, Patrick Buehr, Rebekka Koller, Andreas Nydegger, Johannes Spalinger, Klaas Heyland, Susanne Schibli, Christian P. Braegger, The Swiss IBD Cohort Study Group