Dougan, C
Gotha, L
Melamed, N
Aviram, A
Asztalos, EV
Anabusi, S
Willan, AR
Barrett, JFR
Mei-Dan, E http://orcid.org/0000-0002-4264-9495
Article History
Received: 15 April 2020
Accepted: 28 October 2020
First Online: 17 November 2020
Ethics approval and consent to participate
: The Twin Birth Study and all secondary analyses were approved by the Research Ethics Board at the Sunnybrook Health Sciences Centre.
: Not applicable
: The authors declare that the authors Nir Melamed and Amir Aviram are members of the editorial board of the BMC Pregnancy and Childbirth.