1. Outpatient Clinics for Hematology and Oncology, Cologne, Germany;
2. University Clinic for Hematology and Oncology, Düsseldorf, Germany;
3. Outpatient Clinics for Hematology and Oncology, Potsdam, Germany;
4. Outpatient Clinics for Hematology and Oncology, Dortmund, Germany;
5. Outpatient Clinics for Hematology and Oncology, Münster, Germany;
6. Outpatient Clinics for Hematology and Oncology, Frankfurt/Main, Germany;
7. Outpatient Clinics for Hematology and Oncology, Berlin, Germany;
8. Outpatient Clinics for Hematology and Oncology, Porta Westfalica, Germany;
9. Outpatient Clinic for Hematology and Oncology, Naunhof, Germany;
10. TDS, Basel, Switzerland