Purpura, Thrombocytopenic, Idiopathic

• Federal State Budgetary Educational Institution of Higher Education "Bashkir State Medical University" of the Ministry of Health of the Russian Federation — Ufa, Bashkortostan Republic, Russia
• State Budgetary Institution of Healthcare Irkutsk awarded the "Sign of Honor" Order Regional Clinical Hospital — Irkutsk, Irkutsk Oblast, Russia
• State Budgetary Health Institution of the Kaluga Region "Kaluga Regional Clinical Hospital" — Kaluga, Kaluga Oblast, Russia
• State Autonomous Healthcare Institution "Kuzbass Clinical Hospital named after S.V. Belyaev" — Kemerovo, Kemerovo Oblast, Russia

• Humanity & Health Research Centre — Hong Kong, Hong Kong SAR

• Arizona Oncology Associates — Tucson, Arizona, United States
• Bleeding & Clotting Disorders Institute — Peoria, Illinois, United States
• Horizon Oncology Research, Inc — Lafayette, Indiana, United States
• Center for Cancer and Blood Disorders — Bethesda, Maryland, United States

• Hospital Puerta del Mar — Cadiz, Cádiz, Spain
• Hospital Universitario de Jerez de la Frontera — Jerez de la Frontera, Cádiz, Spain
• Hospital de Puerto Real — Puerto Real, Cádiz, Spain
• Hospital de Riotinto — Minas de Ríotinto, Huelva, Spain

• Peking University Insititute of Hematology, Peking University People's Hospital — Beijing, Beijing Municipality, China

• Vienna — Vienna, Austria
• Wien — Vienna, Austria
• Leuven — Leuven, Belgium
• Mont-Godinne — Namur, Belgium

Not specified

• Georgetown Lombardi Comprehensive Cancer Center — Georgetown, District of Columbia, United States
• Massachusetts General Hospital - Cancer Center — Boston, Massachusetts, United States
• University of Pittsburgh Medical Center (UPMC) Hilman Cancer Center — Pittsburgh, Pennsylvania, United States
• Essen University Hospital Department of Hematology — Essen, Germany

• Novartis Investigative Site — Leuven, Belgium
• Novartis Investigative Site — Shanghai, China
• Novartis Investigative Site — Paris, France
• Novartis Investigative Site — Athens, Greece

• Qilu Hospital of Shandong University — Shandong, China