Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)

• Research Site — Kazan', Russia
• Research Site — Kemerovo, Russia
• Research Site — Krasnoyarsk, Russia
• Research Site — Lermontov, Russia

• AP-HM — Marseille, France

• People's Hospital of Peking University — Beijing, Beijing Municipality, China
• The Third Affiliated Hospital of Sun Yat-sen University — Guangzhou, Guangdong, China
• Xiangya Hospital of Central South University — Changsha, Hunan, China
• Jiangsu Province Hospital — Nanjing, Jiangsu, China

• Cliniques Universitaires Saint-Luc — Brussels, Belgium

• Affiliated Hospital of Qingdao University — Qingdao, Shandong, China

• Zhongda Hosiptal Southeast University — Fuyang, Anhui, China
• The Second Affiliated Hospital of Anhui Medical University — Hefei, Anhui, China
• Peking University People'S Hospital — Beijing, Beijing Municipality, China
• Beijing youan hospital，capital medical university — Beijing, Beijing Municipality, China

• Onze Lieve Vrouw hospital Aalst — Aalst, Belgium
• General hospital Sint-Jan Bruges — Bruges, Belgium
• University hospital Saint-Luc — Brussels, Belgium
• University hospital of Antwerp — Edegem, Belgium

• Eye & ENT Hospital of Fudan University — Shanghai, China

Not specified

• Beijing Tongren Hospital, Capital Medical University — Beijing, Beijing Municipality, China