Acute Bronchitis

• Aramil City Hospital — Aramil, Russia
• Gatchina Clinical Interdistrict Hospital — Gatchina, Russia
• City Clinical Hospital No # 9 of the Ministry of Health of the Udmurt Republic — Izhevsk, Russia
• Kazan State Medical University/Department of Infectious Diseases — Kazan', Russia

• CHU CAEN Normandie — Caen, France

• Soonchunhyang University Seoul Hospital — Seoul, South Korea

• Research Unit for General Practice in Aalborg — Aalborg, Denmark

• Noé Medical Center — Szeged, Hungary

Not specified

Not specified

• Soonchunhyang University Hospital Bucheon — Bucheon-si, South Korea
• Hallym University Chuncheon Sacred Heart Hospital — Chuncheon, South Korea
• Wonkwang University Hospital — Iksan, South Korea
• Kangbuk Samsung Hospital — Seoul, South Korea

• University of Fribourg — Fribourg, Canton of Fribourg, Switzerland

• Konkuk University Medical Center — Seoul, South Korea