Funding for this research was provided by:
H2020 Marie Skłodowska-Curie Actions (721815)
Received: 29 July 2020
Accepted: 6 January 2021
First Online: 18 March 2021
Ethics approval and consent to participate
: TwinsUK study: Ethical approval was granted by the National Research Ethics Service London-Westminster, the St Thomas’ Hospital Research Ethics Committee (EC04/015 and 07/H0802/84). All research participants have signed informed consent prior to taking part in any research activities. CVON-DOSIS study: the study protocol was approved by the local ethics committee of the Erasmus MC (2010-409), the Biobank Research Ethics Committee of University Medical Center Utrecht (protocol number 12/387), and the Washington University School of Medicine Ethics Committee (Institutional Review Board). Informed consent was obtained from each patient prior to surgery or was waived by the ethics committee when acquiring informed consent was not possible due to the death of the donor.
: Not applicable.
: The authors declare that they have no competing interests.