Measuring multimorbidity series: an overlooked complexity-comparison of self-report vs. administrative data in community-living adults-paper 1: introduction

Affiliations

• ¹ Department of Family Medicine, University of Alberta, Edmonton, Alberta, Canada; ICES, Toronto, Ontario, Canada; Women's College Research Institute, Women's College Hospital, Toronto, Ontario, Canada. Electronic address: gruneir@ualberta.ca.
• ² School of Nursing, McMaster University, Hamilton, Ontario, Canada.
• ³ ICES McMaster, McMaster University, Hamilton, Ontario, Canada.
• ⁴ Department of Medicine, McMaster University, Hamilton, Ontario, Canada.
• ⁵ School of Nursing, McMaster University, Hamilton, Ontario, Canada; Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.
• ⁶ Division of Clinical Public Health, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada; Bridgepoint Collaboratory for Research and Innovation, Sinai Health System, Toronto, Ontario, Canada.
• ⁷ Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.