Received: 6 June 2018
Accepted: 12 September 2018
First Online: 29 September 2018
Ethics approval and consent to participate
: The content of this article is derived from the authors’ experience dealing with patients in their institutions; therefore ethical approval was not needed although consent for treatment was obtained according to the procedure at each of the centers.
: Consent for publication was obtained for all individuals who provided individual data for the case studies included in this manuscript.
: ACM has been a member of scientific advisory boards for PKU (supported by Merck KGaA, BioMarin, Nutricia International, and Arla Foods International), received research funding from Nutricia International, Vitaflo International, and Merck KGaA and has received honoraria as a speaker from Merck KGaA and Biomarin. MdM has received travel grants from Merck Serono (an affiliate of Merck KGaA, Darmstadt, Germany) and research funding from Nutricia International. FF has been a member of scientific advisory boards for PKU (supported by Merck KGaA, BioMarin, and Nutricia International) and has received honoraria from BioMarin, Merck KGaA and Nutricia International/Danone.
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