- Correspondence to Nenad Blau, Dietmar-Hopp-Metabolic Center, University Children's Hospital, Heidelberg, Germany; and Beat Thöny, Division of Metabolism and Division of Clinical Chemistry and Biochemistry, University Children’s Hospital Zurich, Zürich CH-8032, Switzerland;
- Received June 19, 2017
- Revised July 5, 2017
- Accepted July 6, 2017
- First published August 9, 2017.
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