Common Bile Duct Diseases

• Khyber teaching hospital — Peshawar, Khyberpukhtunkhwa, Pakistan

• State autonomous health care institution "Engels City Clinical Hospital No. 1" — Engel's, Russia
• Ivanovo Kuvaev Clinical Hospital — Ivanovo, Russia
• State Budgetary Institution of Healthcare of Moscow "City Polyclinic No. 2 of the Moscow Department of Healthcare" — Moscow, Russia
• Unimed-C Jsc — Moscow, Russia

• Liver and GIT hospital , Minia University — Minya, Egypt

• Centro Medico Nacional Siglo XXI Hospital de Especialidades — Mexico City, Mexico

• Hospital Rio Hortega — Valladolid, Spain

• National Taiwan University Hospital — Taipei, Taiwan

• Institut Paoli Calmettes — Marseille, Provence-Alpes-Côte d'Azur Region, France

• Heelkunde — Nieuwegein, Utrecht, Netherlands

• Kyungpook National University Hospital — Daegu, Gyungsangbok-do, South Korea

Not specified