@inbook{1140313749, author={Kyriakie Sarafoglou and Georg F. Hoffmann and Karl S. Roth}, title={Preface}, booktitle={Pediatric Endocrinology and Inborn Errors of Metabolism, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={accesspediatrics.mhmedical.com/content.aspx?aid=1140313749} }