Respiratory Tract Infections

• Pediatria, Azienda Ospedaliera Santa Maria Degli Angeli — Pordenone, Friuli Venezia Giulia, Italy
• Emergency Department, IRCCS Burlo Garofolo — Trieste, Friuli Venezia Giulia, Italy

• Changi General Hospital — Singapore
• National University Hospital, National University of Singapore — Singapore
• Tan Tock Seng Hospital — Singapore
• Queen Sirikit National Institute of Child Health — Bangkok, Thailand

• University Hospitals Leicester — Leicester, Leicestershire, United Kingdom
• Clincal Trials Unit Leicester Royal Infirmary — Leicester, United Kingdom

• Incheon St. Mary's Hospital, The Catholic University of Korea etc, Total 10 hospitals. — Seoul Etc, South Korea

• University Hospitals Leicester — Leicester, Leicestershire, United Kingdom

• Cleveland Clinic — Cleveland, Ohio, United States

Not specified

• Groupe de Recherche Action en Sante (GRAS sarl) — Ouagadougou, Kadiogo, Burkina Faso

• University Hospital Zurich, Division of Internal Medicine — Zurich, Canton of Zurich, Switzerland

• Washington University School of Medicine — St Louis, Missouri, United States