Correction: BMC Geriatr 22, 385 (2022)

https://doi.org/10.1186/s12877-022-02997-6

After publication of this article [1], the authors reported that in this article the author Fang Lin Jiang was incorrectly linked to affiliations 6 and 7, but should have been linked to affiliation 6 only; and the author Chul-Hyun Kim was incorrectly linked to affiliation 7, but should have been linked to affiliation 6.

The original article [1] has been updated.