AUTHOR=Bäckryd Emmanuel , Novo Mehmed , Hallsén Johanna , Schultze Stefan , Fischer Marcelo R., Gerdle Björn TITLE=The new chronic pain MG30 category and diagnostic specificity in quality registries - problems and suggested solutions with special reference to Swedish Quality Registry for Pain rehabilitation (SQRP) JOURNAL=Frontiers in Pain Research VOLUME=5 YEAR=2024 URL=https://www.frontiersin.org/journals/pain-research/articles/10.3389/fpain.2024.1396429 DOI=10.3389/fpain.2024.1396429 ISSN=2673-561X