Chronic Limb Threatening Ischemia

• Medical University of Graz, Division of Angiology — Graz, Austria

• Hamilton General Hospital — Hamilton, Canada
• Unity Health Toronto - St. Micheal's Hospital — Toronto, Canada

• Xuanwu Hospital Capital Medical University — Beijing, Beijing Municipality, China
• Zibo Feng — Wuhan, Hubei, China
• the second Affiliated Hospital of Medical College of Suzhou University — Suzhou, Jiangsu, China
• Qingdao Haici hospital affiliated to Qingdao University — Qingdao, Shandong, China

• Royal Infirmary of Edinburgh — Edinburgh, Midlothian, United Kingdom

• Faculty of Medicine of Sohag — Sohag, Sohag Governorate, Egypt

• Liyuan Hospital of Tongji Medical College, Huazhong University of Science and Technology — Wuhan, Hubei, China

Not specified

Not specified

Not specified

• The First Affiliated Hospital of Sun Yat-sen University — Guangzhou, China