300 Longwood Avenue Boston, MA 02115 (617) 355-6000 For Health Professionals: Children's Speakers Bureau Gastroenterology/Nutrition   Allergic GI Diseases Elizabeth Hait, MD, MPH, or Elizabeth Yen, MD Approach to Abdominal Pain Elana Bern, MD, or Randi Pleskow, MD Celiac Disease Alan Leichtner, MD Childhood Liver or Biliary Tract Diseases Scott Elisofon, MD, or Maureen Jonas, MD Constipation Samuel Nurko, MD, MPH, and other speakers available Diarrhea Wayne Lencer, MD, MPH, and other speakers available Epidemiology of Gastrointestinal Disease Leslie Higuchi, MD, MPH Failure to Thrive John Watkins, MD Gastroesophageal Reflux Rachel Rosen, MD, and other speakers available Gastrointestinal Bleeding Victor Fox, MD, or Michael Mafredi, MD Gastrointestinal Endoscopy Victor Fox, MD, or Michael Mafredi, MD Gastrointestinal Motility Disorders Samuel Nurko, MD, MPH Gastrointestinal Problems in Disabled Children Athos Bousvaros, MD, MPH Inflammatory Bowel Disease Athos Bousvaros, MD, MPH, Richard Grand, MD, Elizabeth Hait, MD, MPH, Leslie Higuchi, MD, MPH or Elizabeth Yen, MD Lactose Intolerance Richard Grand, MD, and other speakers available Liver Disease Scott Elisofon, MD, or Maureen Jonas, MD Liver Transplantation Scott Elisofon, MD, or Maureen Jonas, MD