Multimorbidity and comorbidity revisited: refining the concepts for international health research

Affiliations

• ¹ Department of Epidemiology & Biostatistics, Western University, London, Ontario, Canada; Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada. Electronic address: kathryn.nicholson@schulich.uwo.ca.
• ² Epidemiology and Public Health Research Unit, Department of Population Health, Luxembourg Institute of Health, Strassen, Luxembourg; Department of Family Medicine, Care and Public Health Research Institute, Maastricht University, Maastricht, the Netherlands; Chairgroup of Complex Genetics and Epidemiology, Care and Public Health Research Institute, Maastricht University, Maastricht, the Netherlands.
• ³ Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.
• ⁴ Department of Epidemiology & Biostatistics, Western University, London, Ontario, Canada; Epidemiology and Public Health Research Unit, Department of Population Health, Luxembourg Institute of Health, Strassen, Luxembourg; Department of Family Medicine, Western University, London, Ontario, Canada.
• ⁵ Department of Family Medicine, Care and Public Health Research Institute, Maastricht University, Maastricht, the Netherlands; Academic Center for General Practice, Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium.