1. Department of Haematology, Oncology and Immunology, University Hospital Giessen and Marburg, Philipps University Marburg, Marburg
2. Interdisciplinary Center of Ultrasound, University Hospital Giessen and Marburg, Philipps University Marburg, Marburg
3. Department of Internal Medicine, Krankenhaus Märkisch Oderland GmbH Strausberg/ Wriezen, Academic teaching hospital Brandenburg Medical University “Theodor Fontane”
4. Department of Hematology and Oncology, University Clinic Mannheim, Germany
5. Department of Internal Medicine 2, Caritas-Krankenhaus, Bad Mergentheim, Germany
6. Sino-German Research Center of Ultrasound in Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China