Operation

• The First Hospital of Lanzhou University — Lanzhou, Gansu, China
• The Second Hospital & Clinical Medical School, Lanzhou University — Lanzhou, Gansu, China
• The Fifth Affiliated Hospital of Zunyi Medical University — Zhuhai, Guangdong, China
• The Second Affiliated Hospital of Xi'an Jiaotong University — Xi'an, Shannxi, China

• Colorectal Department,SunYat-sen University Cancer Center — Guangzhou, Guangdong, China

• KTO Karatay Unıversty — Konya, Karatay, Turkey (Türkiye)

Not specified