The Effectiveness of Collaborative Care Interventions for the Management of Patients With Multimorbidity: Protocol for a Systematic Review, Meta-Analysis, and Meta-Regression Analysis

Anne-Maj Knudsen   ^{1, 2} , MSc ;   Ann-Cathrine Dalgård Dunvald   ^{3, 4} , PhD ;   Stine Hangaard   ^{1, 2} , PhD ;   Ole Hejlesen   ¹ , PhD ;   Thomas Kronborg   ^{1, 2} , PhD

¹ Department of Health Science and Technology, Aalborg University, Gistrup, Denmark

² Steno Diabetes Center North Denmark, Aalborg University Hospital, Aalborg, Denmark

³ Department of Clinical Pharmacology, Odense University Hospital, Odense, Denmark

⁴ Department of Clinical Research, University of Southern Denmark, Odense, Denmark