Panamá: Departamento de Hemato-oncologia-hospital del Niño - Panamá
Perù: National Hospital Eduardo Rebagliati - Lima
Poland: Hematology Department - Krakow
Poland John Paul II Hospital, Krakow, 
Portugal: Hospital S.Antonio, Hematologia Clinica - Porto
Portugal: Centro Hospitalar de Lisboa Ocidental – Lisboa
Russia: Izmailovskaya Children Hospital - Moscow
Saudi Arabia: King Faisal Specialist Hospital – Riyadh
Serbia: Blood Transfusion Institute of Serbia, Haemostasis Department - Belgrade
Serbia: Clinic for Hematology - Niš, Dr. Vucic
Serbia Blood Transfusion Institute, Belgrade, 
Serbia Belgrade Haemostasis Department and Haemophilia Center, Blood Transfusion Institute
Slovenia National Hemophilia Center, University Children Hospital, Ljubljana, 
Spain: Hospital San Pedro de Alcántara, Servicio de Hematologia - Cáceres
Spain: Thrombosis and Haemostasis Unit. Hospital Morales Meseguer - Murcia
Spain: Servicio de Hematologia, Hospital Rio Hortega - Valladolid
South Africa: University of the Free State, Dept of Haematology – Bloemfontein
Switzerland: Hemostasis Unit, University Hospital of Geneva - Geneva
Switzerland Division of Angiology and Haemostasis, University Hospitals of Geneva, 
Switzerland Department of Genetic Medicine and Development, University of Geneva Medical Centre, Geneva, 
Switzerland Department of Medicine, Spital Netz Bern Hospitals, Zieglerspital, Bern, 
Switzerland Division of Angiology and Haemostasis, University Hospitals of Geneva
Thailand: Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University - Bangkok
The Netherlands Department of Hematology, Erasmus University Medical Center, Rotterdam, 
Turkey: Istanbul University Cerrahpasa Medical Faculty Pediatric Hematology Oncology Department - Istanbul
Turkey: Erciyes University Medical Faculty Pediatric Hematology Department - Kayasery
Turkey: Yϋzϋncϋ Yil University, Faculty of Medicine, Dpt of Pediatric Hematology - Van
Turkey: Denizli State Hospital – Denizli
Turkey Cerrahpasa Medical Faculty of Istanbul University, Istanbul
UK: Hemophilia Centre (adult) - Glasgow
UK: Barts and the London NHS Trust - London
UK: Manchester Haemophilia Centre (adults) - Manchester
UK: Royal Manchester Children's Hospital - Manchester
UK: Oxford Haemophilia Centre and Thrombosis Unit - Oxford
UK: Bournemouth and Poole Haemophilia Center - Poole
UK: Department of Hematology, Taunton & Somerset NHS Trust - Taunton
UK Royal Free Hospital Hampstead, London 
UK Oxford University, UKUSA: Mountain States Regional Hemophilia Center/University of Arizona Science Center -Tucson, Arizona
UK Royal Free Hampstead NHS Trust - London, 
UK Haemophilia Centre and Thrombosis Unit, Churchill Hospital, Oxford, 
UK Bristol Haematology and Oncology Centre, Bristol,USA: Children's Hospital - Oakland, California
USA: University of California - San Francisco, California
USA: Yale University, School of Medicine, Dep. Pediatrics - New Haven, Connecticut
USA: Northwestern Center for Bleeding Disorders - Chicago, Illinois
USA: Indiana Hemophilia & Thrombosis Center - Indianapolis, Indiana
USA: SUNY Upstate Medical University - Syracuse, New York
USA: University of Cincinnati, Hemophilia Treatment Center - Cincinnati, Ohio
USA: Columbus Children\'s Hospital - Columbus, Ohio, Dr. Kerlin
USA: South Dakota Center for Blood Disorders - Sioux Falls, South Dakota
USA: University of Texas Medical Branch - Galveston, Texas
USA: South Texas Hemophilia/Thrombosis Center - S. Antonio, Texas
USA: Children's Medical Center - Dallas, Texas
USA Duke University Medical Center, Durham, NC, USA
Venezuela: Centro Nacional de Hemofilia. Banco Municipal de Sangre - Caracas
Vietnam: Hemophilia Treatment Centre, National Institute of Hematology and blood transfusion - Hanoi