Sudden Hearing Loss

• Guangdong Provincial People's Hospital — Guangzhou, Guangdong, China
• Shenzhen Baoan People's Hospital — Shenzhen, Guangdong, China
• Xiaolan People's Hospital of Zhongshan — Zhongshan, Guangdong, China
• Liuzhou Worker's Hospital — Liuzhou, Guangxi, China

• China Medical University Hospital — Taichung, Taiwan

• Yonsei University Wonju Severance Christian Hospital — Wŏnju, Gangwon-do, South Korea

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

• Truway Health, Inc. , View 34, 401 E 34th Street, S11P, New York, NY 10016 — New York, United States

• Fenyang Road 83 — Shanghai, Shanghai Municipality, China

• The First Affiliated Hospital of Sun Yat-sen University — Guangzhou, Guangdong, China
• Guangdong General Hospital — Guangzhou, Guangdong, China
• The Affiliated Hospital of Qingdao University — Qingdao, Shandong, China
• he Second Affiliated Hospital of Shandong First Medical University — Tai’an, Shandong, China

Not specified

• van yuzuncu yil university, Bardakçı, Yüzüncü Yıl Ünv., 65080 Tuşba/Van — Van, Turkey (Türkiye)

• Clinical Trial Site — Tucson, Arizona, United States
• Clinical Trial Site — Fresno, California, United States
• Clinical Trial Site — Torrance, California, United States
• Clinical Trial Site — Colorado Springs, Colorado, United States