1. Dept of Clinical Medicine and Surgery, Federico II University; Regional Reference Centre for Coagulation Disorders; Naples Italy
2. Institute of Hematology and Transfusion Medicine; Dept of Disorders of Haemostasis & Internal Medicine; 14 Gandhi str Warszawa Poland
3. McMaster University; Department of Clinical Epidemiology and Biostatistics; 1280 Main Street West CRL - 140 Hamilton Ontario Canada ON L8S 4K1
4. IRCCS Centro Cariologico Monzino; Unit of Cell and Molecular Biology in Cardiovascular Diseases; Milan Italy