Esophageal Stenosis

• Maternal and Child Health Department, University Hospital - Umberto I Sapienza - University of Rome, — Rome, Italy
• University Children's Hospital Zurich — Zurich, Canton of Zurich, Switzerland
• Universitäts-Kinderspital beider Basel — Basel, Switzerland

• CHU de Nice — Nice, France
• APHP Necker — Paris, France
• APHP St Louis — Paris, France

Not specified

• Instituto do Câncer do Estado de São Paulo - ICESP — São Paulo, Brazil

• Mayo Clinic — Phoenix, Arizona, United States
• Harbor-University of California Los Angeles Medical Center — Torrance, California, United States
• Emory University Hospital — Atlanta, Georgia, United States
• Loyola University Medical Center — Maywood, Illinois, United States

• Scripps Green Hosptial — La Jolla, California, United States
• University of Colorado Denver — Denver, Colorado, United States
• Borland-Groover Clinic — Jacksonville, Florida, United States
• Ochsner Medical Center — Kenner, Louisiana, United States

• IJsselland Hospital — Capelle aan den IJssel, South Holland, Netherlands
• Sint Fransiscus Gasthuis — Rotterdam, South Holland, Netherlands
• Ikazia Hospital — Rotterdam, South Holland, Netherlands
• Albert Schweitzer Hospital — Zwijndrecht, South Holland, Netherlands

• Dpt of Gastroenterology, Bern University Hospital — Bern, Switzerland