1. Malmö Centre for Thrombosis and Haemostasis; Lund University; Malmö Sweden
2. Department of Haematology; Queen's Medical Centre; University Hospital; Nottingham UK
3. Cliniques Universitaires Saint Luc; Brussels Belgium
4. Imperial College; London UK
5. Università degli Studi di Milano; Milano Italy
6. Department of Haematology; Hannover Medical School; Hannover Germany