1 Congenital Hyperinsulinism Center, Division of Endocrinology and Diabetes, The Children's Hospital of Philadelphia, Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania.
2 Congenital Hyperinsulinism Center, Division of Endocrinology and Diabetes, The Children's Hospital of Philadelphia, Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania. Electronic address: [email protected].