Erratum to: Self-perceived uselessness and associated factors among older adults in China
Crossref DOI link: https://0-doi-org.brum.beds.ac.uk/10.1186/s12877-017-0494-4
Published Online: 2017-05-02
Published Print: 2017-12
Update policy: https://0-doi-org.brum.beds.ac.uk/10.1007/springer_crossmark_policy
Zhao, Yuan
Sautter, Jessica M.
Qiu, Li
Gu, Danan