Michiel P. van Wijk, MD, Marc A. Benninga, MD, PhD, John Dent, BChir, PhD, FRACP, FRCP, Ros Lontis, RN, Louise Goodchild, RN, Lisa M. McCall, RN, Ross Haslam, MBBS,FRACP, Geoffrey P. Davidson, MBBS, MD, FRACP, and Taher Omari, BSc, PhD, North Adelaide and Adelaide, Australia and Amsterdam, The Netherlands

The Effect of Body Positioning on Gastroesophageal Reflux in Premature Infants: Evaluation by Combined Impedance and pH Monitoring 591

Luigi Corvaglia, MD, Raffaella Rotatori, MD, Marianna Ferlini, MD, Arianna Aceti, MD, Gina Ancora, MD,and Giacomo Faldella, MD, Bologna, Italy

Pharyngeal Swallowing: Defining Pharyngeal and Upper Esophageal Sphincter Relationships in Human Neonates 597

Sudarshan Rao Jadcherla, MD, FRCPI, DCH, Alankar Gupta, MD, MS, Erin Stoner, RN, BSN, Soledad Fernandez, PhD, and Reza Shaker, MD, Columbus, OH, and Milwaukee, WI

50 Years Ago in The Journal of Pediatrics—Pulmonary Interstitial Emphysema with Air-Block Syndrome 603

H. F. Sadiq, and William J. Keenan, St Louis,Missouri

Racial Differences in the Use of Respiratory Medications in Premature Infants after Discharge from the Neonatal Intensive Care Unit 604

Scott A. Lorch, MD, MSCE, Kelly C. Wade, MD, PhD, Susan Bakewell-Sachs, RN, PhD, Barbara Medoff-Cooper, RN, PhD, Gabriel J. Escobar, MD, and Jeffrey H. Silber, MD, PhD, Philadelphia, PA, Ewing, NJ, and Oakland, CA

Early Elective Insulin Therapy Can Reduce Hyperglycemia and Increase Insulin-Like Growth Factor-I Levels in Very Low Birth Weight Infants 611

Kathryn Beardsall, MB, BS, MRCP, MA, MRCPCH, Amanda L. Ogilvy-Stuart, DM, BM, FRCP, MRCPCH, Jan Frystyk, MD, PhD, DMSc, Jian-Wen Chen, MD, PhD, Mike Thompson, BM, Bch, DCH, FRCP, FRCPCH, Jag Ahluwalia, MB, Bch, MA, DCH, DRCOG, MRCGP, FRCP, FRCPCH, Ken K. Ong, MB, Bch, MA, PhD, MRCP, MRCPCH, and David B. Dunger, MD, DCH, FRCP, FRCPCH, Cambridge, UK,and Aarhus, Denmark

Maternal Smoking and the Vitamin D-Parathyroid Hormone System During the Perinatal Period 618

N. Marta Díaz-Gómez, MD,PhD, Candelario Mendoza, MD,PhD, Nieves L. González-González, MD,PhD, Flora Barroso, MD,PhD, Alejandro Jiménez-Sosa, PhD, Eduardo Domenech, MD,PhD, Inocencia Clemente, MD, Ysamar Barrios, PhD, and Manuel Moya, MD,PhD, Canary Island and Alicante, Spain

Early Hemodynamic Consequences of Patent Ductus Arteriosus in Preterm Infants with Intrauterine Growth Restriction 624

T. Rakza, MD, E. Magnenant, MD, S. Klosowski, MD, P. Tourneux, MD, A. Bachiri, MD, and L. Storme, MD, France

Risk Factors for Persistent Ductus Arteriosus Patency during Indomethacin Treatment 629

Nancy Chorne, MD, Priya Jegatheesan, MD, Emil Lin, PhD, Robert Shi, PhD, and Ronald I. Clyman, MD, San Francisco, California

Self-Perceived Health,Functioning and Well-Being of Very Low Birth Weight Infants at Age 20 Years 635

Maureen Hack, MB, ChB, Lydia Cartar, MA, Mark Schluchter, PhD, Nancy Klein, PhD, and Christopher B. Forrest, MD, PhD, Cleveland, Ohio, British Columbia, Canada, and Philadelphia, Pennsylvania

Children’s Dairy Intake in the United States: Too Little,Too Fat? 642

Sibylle Kranz, PhD, RD, Po-Ju Lin, MS, MPH, RD, and David A. Wagstaff, PhD, University Park, PA

Fat Cell Size, Insulin Sensitivity, and Inflammation in Obese Children 647

Claudio Maffeis, MD, Davide Silvagni, MD, Riccardo Bonadonna, MD, Alessandra Grezzani, MD, Claudia Banzato, MD, and Luciano Tatò, MD, Verona, Italy

Glucose Tolerance,Insulin Secretion,and Insulin Sensitivity in Children and Adolescents with Cystic Fibrosis and No Prior History of Diabetes 653

Deborah A. Elder, MD, Jamie L. Wooldridge, MD, Lawrence M. Dolan, MD, and David A. D’Alessio, MD, Cincinnati, Ohio

Biliary Atresia: The Canadian Experience 659

Richard A. Schreiber, MD, FRCP(C), Collin C. Barker, MSc(Epid), MD, FRCP(C), Eve A. Roberts, MD, FRCP(C), Steven R. Martin, MD, FRCP(C), Fernando Alvarez, MD, Lesley Smith,MD, FRCP(C), J. Decker Butzner,MD, FRCP(C), Iwona Wrobel, MD, FRCP(C), David Mack, MD,FRCP(C), Stanley Moroz, MD,FRCP(C), Mohsin Rashid, MD,FRCP(C), Rabin Persad, MD, FRCP(C), Dominique Levesque, MD,FRCP(C), Herbert Brill, MD, FRCP(C), Garth Bruce,MD, FRCP(C), and Jeff Critch, MD, FRCP(C): and the Canadian Pediatric Hepatology Research Group, Vancouver, British Columbia, Toronto, Ottawa, and Hamilton, Ontario, Montreal, Quebec, Edmonton and Calgary, Alberta, Winnipeg, Manitoba, Halifax, Nova Scotia, Saskatoon, Saskatchewan, and St. John’s, Newfoundland, Canada

Constipation as Cause of Acute Abdominal Pain in Children 666

Vera Loening-Baucke,MD, and Alexander Swidsinski, MD, PhD, Iowa City, Iowa, and Berlin, Germany

Size at Birth,Infant Growth,and Blood Pressure at Three Years of Age 670

Mandy B. Belfort, MD, MPH, Sheryl L. Rifas-Shiman, MPH, Janet Rich-Edwards, ScD, Ken P. Kleinman, ScD, and Matthew W. Gillman, MD, SM, Boston, MA

Prevalence of the MEFV Gene Mutations in Childhood Polyarteritis Nodosa 675

Fatoş Yalçınkaya, MD, Z. Bı̇rsı̇n Özçakar, MD, Özgür Kasapçopur, MD, Ayşenur Öztürk, MSc, Nejat Akar, MD, Ayşı̇n Bakkalolu, MD, Nı̇l Arısoy, MD, Mesı̇ha Ekı̇m, MD, and Seza Özen, MD, Ankara, Turkey

50 Years Ago in The Journal of Pediatrics—A Ruptured Ovarian Cyst in a Newborn Infant 678

David Muram, MD, Memphis, Tennessee

Rheumatic Chorea: Relationship to Systemic Manifestations and Response to Corticosteroids 679

Adrianne R. Walker, MD, Lloyd Y. Tani, MD, Joel A. Thompson, MD, Sean D. Firth, PhD, MPH, L. George Veasy, MD, and James F. Bale Jr, MD, Salt Lake City, Utah

Multicenter Prospective Study of Ulcerated Hemangiomas 684

Sarah L. Chamlin, MD, Anita N. Haggstrom, MD, Beth A. Drolet, MD, Eulalia Baselga, MD, Ilona J. Frieden, MD, Maria C. Garzon, MD, Kimberly A. Horii,MD, Anne W. Lucky, MD, Denise W. Metry, MD, Brandon Newell, MD, Amy Jo Nopper, MD, and Anthony J. Mancini, MD, Chicago, IL, Milwaukee, WI, Barcelona, Spain, San Francisco, CA, New York, NY, Kansas City, MO,Cincinnati, OH, and Houston, Texas

Toward Family-Centered Inpatient Medical Care: The Role of Parents as Participants in Medical Decisions 690

Beth A. Tarini, MD, MS, Dimitri A. Christakis, MD, MPH, and Paula Lozano, MD, MPH, Ann Arbor, Michigan, and Seattle, WA

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Grand Rounds

A Three-Year-Old with Persistent Hypokalemia 696

Lawrence R. Shoemaker,MD,Bernadette V. Eaton, MD, and John J. Buchino, MD, Louisville, Kentucky

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Clinical and Laboratory Observations

Clinical and Molecular Characteristics of Staphylococcal Skin Abscesses in Children 700

Howard Faden, MD, Rebecca Rose, MD, Alan Lesse, MD, Celeste Hollands, MD, Diane Dryja, and Philip L. Glick, MD, Buffalo, New York

Assessment of Immunization Status in Hospitalized Children Followed by Counseling of Parents and Primary Care Physicians Improves Vaccination Coverage: An Interventional Study 704

Beda Muehleisen, MD, Gurli Baer, MD, Urs B. Schaad, MD, and Ulrich Heininger, MD, Basel, Switzerland

Infantile Onset Panniculitis with Uveitis and Systemic Granulomatosis: A New Clinicopathologic Entity 707

Carine H. Wouters, MD, PhD, Tammy M. Martin, PhD, Dorothee Stichweh, MD, Marilynn Punaro, MD,Trudy M. Doyle, BS, Jinnell A. Lewis, BS, Pierre Quartier, MD, and Carlos D. Rose, MD, CIP, Leuven, Belgium, Portland, OR, Dallas, TX, Paris, France,and Wilmington, DE

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Insights

Foam Eater 710

Nicholas M. Allen, MD, and Donough J. O’Donovan, MD, Newcastle, Galway, Ireland

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Letters to the Editor

The following section is available in the online version of The Journal.

Too many zeros in metoprolol e22

Amy L. Potts, PharmD, M. Paige Fuller, PharmD, Sheri Wright, PharmD, BCPS, Christina Piro, PharmD, Christine Crossno, PharmD, Julie Sinclair-Pingel, PharmD, Alison G. Grisso,PharmD, and Jennifer Seals, PharmD, Nashville, Tennessee

Hypertension/pre-hypertension in a pediatric sub-specialty clinic e22

I. David Schwartz, MD, and Patrick R. Henderson, BS, MS IV, Columbia, South Carolina

The egg or the chicken? Further data on whether good compliance to multi-injection insulin therapy should be a criterion for insulin pump therapy,or does insulin pump therapy improve compliance? e23

Fortunato Lombardo, MD, Dario Iafusco, MD,Guiseppina Salzano, MD, Alessia Piscopo, MD, Giuseppe Saitta, MD, Francesca Pisani, MD, Filippo De Luca, MD Francesco Prisco, MD, Messina and Naples, Italy

Pre-hypertension and hypertension among adolescents of Switzerland e24

Arnaud Chiolero, MD, MSc, Fred Paccaud, MD, MSc,and Pascal Bovet, MD, MPH, Lausanne, Switzerland

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