title: Is the whole greater than the sum of its parts?
authors.forename: Til
authors.initials: T
authors.lastname: Stürmer
authors.forename: Klaus-Peter
authors.initials: KP
authors.lastname: Günther
mesh_terms: D019644:Arthroplasty, Replacement, Hip / Q000009:adverse effects; D019645:Arthroplasty, Replacement, Knee / Q000009:adverse effects; D004734:Energy Metabolism; D006801:Humans; D024821:Metabolic Syndrome / Q000150:complications; D009765:Obesity / Q000150:complications; D016896:Treatment Outcome