Ulziibat, Munkhtulga
Munkhuu, Bayalag
Bataa, Ariun-Erdene
Schmid, Raoul
Baumann, Thomas
Essig, Stefan
Article History
Received: 13 April 2021
Accepted: 17 September 2021
First Online: 13 October 2021
Declarations
:
: The study protocol was reviewed and approved by the Institutional Review Board at the National Center for Maternal and Child Health (04/2019) and the Ethical Review Committee of Ministry of Health, Mongolia (133/2019). Registration number: ISRCTN11228572. Written informed consent was obtained from the guardian of each child prior to participation. All study procedures were conducted in accordance with the Declaration of Helsinki.
: Not applicable.
: None to report.