Signs and Symptoms, Digestive

• Royal Cornwall Hospital — Truro, Cornwall, United Kingdom
• Brighton & Sussex University Hospitals — Brighton, East Sussex, United Kingdom
• Leckhampton Court Hospice — Cheltenham, Gloucestershire, United Kingdom
• Hospice of St. Francis — Berkhamstead, Hertfordshire, United Kingdom

• King abd el Aziz specialist hospital — Ta'if, Saudi Arabia

• Pediatric devision Assaf harofeh MC — Zrifin, Israel

• Stanford University — Stanford, California, United States

Not specified

• Icddr,B — Dhaka, Bangladesh
• Centre for Public Health Kinetics — New Delhi, India
• Kenya Medical Research Institute — Nairobi, Kenya
• Malawi-Liverpool-Wellcome Trust Clinical Research Programme — Blantyre, Malawi

• University Clinic Centre of Medical University of Warsaw — Warsaw, Poland

• Eating Disorder Program; Toronto General Hospital; University Health Network — Toronto, Ontario, Canada

• Children's Hospital, Faculty of Medicine, Ain Shams University — Cairo, Egypt

• Institute of Liver and Biliary Sciences — New Delhi, National Capital Territory of Delhi, India