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Article History

Received: 7 November 2022

Accepted: 15 January 2023

First Online: 25 January 2023

Declarations

:

: This project was registered with the Northwest Liverpool East Research Ethics Committee and granted a favourable ethical opinion, reference number 19/LO/1027 and IRAS (Integrated Research Application System) 265417. Written informed consent was obtained from parents/caregivers of infants who involved in the study.

: Written informed consent for publication of their clinical details was obtained from the parents/caregivers of the patient. A copy of the consent form is available for review by the Editor of this journal.

: O.Y. has received research funding from Vitaflo and financial support from Vitaflo and Biomarin to attend scientific meetings. B.C. received financial support from Nutricia and Vitaflo to attend study days and conferences. A.P. has received an educational grant from Cambrooke Therapeutics and grants from Vitaflo, Nutricia, Merck Serono, Biomarin and Mevalia to attend scientific meetings. S.E. has received research funding from Nutricia and financial support from Nutricia and Vitaflo to attend study days and conferences. A.D. has received research funding from Vitaflo and financial support from Nutricia and Vitaflo to attend study days and conferences. C.A. has received financial support from Nutricia and Vitaflo to attend study days and conferences. A.M. has received research funding and honoraria from Nutricia, Vitaflo International and Merck Serono. She is a member of the European Nutritionist Expert Panel (Biomarin), a member of Sapropterin Advisory Board (Biomarin), a member of the advisory board entitled ELEMENT (Danone-Nutricia), and a member of an advisory board for Arla and Applied Pharma Research. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results.