Received: 13 December 2020
Accepted: 4 March 2021
First Online: 15 March 2021
Change Date: 23 June 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1007/s40520-021-01900-4
: The authors declare that they have no conflict of interest.
: The LASA study (including the data collection of the COVID-19 questionnaire) is conducted in line with the Declaration of Helsinki and received approval by the medical ethics committee of the VU University medical center.
: All participants provided written informed consent.