1. I Departmentof Psychiatry, Psychoterapy and Early Intervention of Medical University in Lublin, Poland - Students Research Group
2. Department of Paediatrician Oncology, Transplantology and Haematology Medical University of Lublin, Poland - Students Research Group
3. Provincial Specialist Hospital in Lublin, Poland
4. I Department of Psychiatry, Psychoterapy and Early Intervention, Medical University of Lublin, Poland