Biliary Tract Diseases

• McMaster Children's Hospital - Digestive Diseases Clinic — Hamilton, Ontario, Canada

Not specified

• The first hospital of Lanzhou university — Lanzhou, Gansu, China
• The first affiliated hospital of Xi 'an jiaotong university — Xi'an, Shaanxi, China
• Tianjin Nankai Hospital — Tianjin, Tianjin Municipality, China

• Beijing Tsinghua Changgung Hospital — Beijing, Beijing Municipality, China

• Division of Medical Oncology, Yonsei Cancer Center, Yonsei Univ. College of Medicine, Korea — Seoul, South Korea

Not specified

Not specified

• Zhongshan hospital Fudan University — Shanghai, Shanghai Municipality, China

• Erasmus MC University Medical Center — Rotterdam, South Holland, Netherlands

Not specified