Correction: Examining the construct and known-group validity of a composite endpoint for The Older Persons and Informal Caregivers Survey Minimum Data Set (TOPICS-MDS); A large-scale data sharing initiative.

Hofman, Cynthia S; Lutomski, Jennifer E; Boter, Han; Buurman, Bianca M; de Craen, Anton J M; Donders, Rogier; Olde Rikkert, Marcel G M; Makai, Peter et al. · PLoS One · 2018

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Abstract

[This corrects the article DOI: 10.1371/journal.pone.0173081.].