[1] Univ Childrens Hosp Zurich, Div Metab, Zurich, Switzerland
[2] Univ Childrens Hosp Zurich, Childrens Res Ctr, Zurich, Switzerland
[3] Zurich Ctr Integrat Human Physiol ZIHP, Zurich, Switzerland
[4] Neurosci Ctr Zurich ZNZ, Zurich, Switzerland
[5] Univ Zurich Hosp, Dept Surg, Swiss HPB & Transplant Ctr, Zurich, Switzerland
[6] Univ Childrens Hosp Zurich, Swiss Newborn Screening Lab, Zurich, Switzerland