Funding for this research was provided by:
Wellcome Trust (079771, 202786)
Received: 24 June 2021
Accepted: 8 February 2022
First Online: 27 February 2022
: All the data provided on this paper have been collected through questionnaires that had ethical approval as parts of Twins UK (EC04/015) from Local Research Ethics Committee at the Department of Twin Research and Genetic Epidemiology, King’s College London. Written informed consent was obtained from all the TwinsUK volunteers upon registration and also during their clinical visits. All study members hold the right to withdraw their consent partially or entirely upon their request.
: Not applicable.
: ERL is a consultant for Zoe Global, CLR is an employee at Nestle. All other authors declare that they have no competing interests.