Ma, Ruimin
Wang, Jingyi
Lloyd-Evans, Brynmor
Marston, Louise
Johnson, Sonia
Article History
Received: 4 April 2021
Accepted: 1 July 2021
First Online: 23 August 2021
Declarations
:
: The CORE study protocol was approved by the London Camden and Islington Research Ethics Committee (ref 12/LO/0988). Written informed consent was received from all participants.
: Not applicable.
: The authors declare that they have no competing interests.