Received: 20 August 2021
Accepted: 30 March 2022
First Online: 9 April 2022
: This study was conducted in accordance with the Principles of the Declaration of Helsinki and its later updates. The data were retrieved from a TIA database which is part of the Stroke & TIA Register that received ethical approval from Newcastle and North Tyneside Research Ethics Committee (ref: 17/NE/0277).This ethical approval covers use of anonymised data for research purpose without individual patient’s consent.
: Not applicable.
: The authors declare that they have no competing interests.