1. Coburg Hospital, 2nd Medical Department, Coburg, Germany
2. Asklepios Hospital Harburg, 1st Medical Department, Hamburg, Germany
3. Ulsan University Hospital, University of Ulsan, College of Medicine, Ulsan, Korea
4. Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong
5. Institute for Clinical Hemostasiology and Transfusion Medicine, University of Saarland, Homburg/Saar, Germany