OMERACT Core Domain Set Development Overview How to choose domains the OMERACT way Download Inforgraphic What are core outcome sets? (A COMET Initiative video) OMERACT Endorsed Core Areas and Core Domains Defining Your Domains OMERACT Domain Definition Section from Handbook Domain Definition Templates at OMERACT OMERACT Core Domain Set Development Resources OMERACT Core Domain Set Development Handbook Chapter Downloadable Forms OMERACT Core Domain Set Development Workbook