1. Faculty of Medicine-Endocrinology, Memorial University of Newfoundland (C.S.K., L.L.C., N.J.F.), St. John’s, Newfoundland, Canada A1B 3V6
2. Department of Biochemistry and Pediatrics, Memorial University of Newfoundland (J.F.K.), St. John’s, Newfoundland, Canada A1B 3X9
3. Institute of Molecular Medicine and Genetics, Department of Pediatrics, Medical College of Georgia (N.R.M.), Augusta, Georgia 30912-2640