Comac Medical Ltd., Sofia, Bulgaria
Medical Center "Nov Rehabilitatsionen Tsentar" Ltd, Stara Zagora, Bulgaria
Richmond Pharmacology, London, United Kingdom
IKF Institut für klinische Forschung Pneumologie, Frankfurt/Main, Germany
Chiesi Investigational site, Stara Zagora, Bulgaria
Chiesi investigational site, Székesfehérvár, Hungary
Chiesi Investigational Site, Razgrad, Bulgaria
Barlow Medical Centre, Manchester, United Kingdom
SGS Life Sciences - Clinical Pharmacology Unit Antwerpen, Antwerp, Belgium
Site 15633 - Tianjin Haihe Hospital, Tianjin, Tianjin, China
Site 15642 - Taizhou Hospital of Zhejiang Province, Taizhou, Zhejiang, China
Site 15639 -The second Affiliated Hospital of Wenzhou Medical College, Wenzhou, Zhejiang, China
Seattle Children's, Seattle, Washington, United States
University of California Los Angeles, Los Angeles, California, United States
UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, United States