The Impact of Age and Phenylketonuria Severity

Funding Information: A.P. received an educational grant from Cambrooke Therapeutics and Biomarin and grants from Vitaflo International, Nutricia, Merck Serono, Biomarin, Mevalia, Galen, PIAM, and Applied Pharma Research to attend scientific meetings. This project is also part of A.P.\u2019s PhD, which is funded by Vitaflo International. A.D. received research funding from Vitaflo International and financial support from Nutricia, Mevalia, and Vitaflo International to attend study days and conferences. J.C.R. was a member of the European Nutritionist Expert Panel (Biomarin) and the Advisory Board for Applied Pharma Research, Vitaflo, Synlogic, Biomarin, and Nutricia and received honoraria as a speaker from APR, Merck Serono, Biomarin, Nutricia, Vitaflo, Cambrooke, PIAM, and Lifediet. S.E. received research funding and financial support to attend study days and conferences from both Nutricia and Vitaflo International. C.A. received honoraria from Nutricia and Vitaflo International to attend study days and conferences. A.M. received research funding and honoraria from Nutricia, Vitaflo International, and Biomarin. She is a member of the Advisory Board Element (Danone-Nutricia). F.F. was a member of the Advisory Board for Vitaflo, Biomarin, Chiesi, Sanofi-Genzyme, and Nutricia and received honoraria as a speaker from Recordati, Biomarin, Merck Serono, Vitaflo, Travere Therapeutics, PTC Therapeutics, Lucane, and Alexion. M.G. received financial support and honoraria as a speaker from Biomarin, Nutricia, Vitaflo, Nestl\u00E9 Polska, Mead-Johnson, PTC Therapeutics International, and APR Applied Pharma Research. The remaining authors do not have any conflicts of interest. The funders had no role in the design of this study; in the collection, analyses, or interpretation of the data; in the writing of the manuscript; or in the decision to publish the results. Publisher Copyright: © 2024 by the authors.