**Prof. Dr. Margarita Guenova, MD, PhD**

**Introduction**

**Section 1**

Laboratory of Haemathopathology and Immunology National Specialised Hospital for Active Treatment of Haematological Diseases Sofia, Bulgaria

#### **Prof. Dr. Gueorgui Balatzenko, MD, PhD**

Laboratory of Cytogenetics and Molecular Biology National Specialised Hospital for Active Treatment of Haematological Diseases Sofia, Bulgaria

**Section 1**
