1. Pediatric Palliative Care Unit, Department of Pediatrics, Oncology, Hematology and Diabetology, Medical University of Lodz, 36/50 Sporna Street, 91-738 Lodz, Poland
2. Gajusz Foundation, Pediatric Palliative Care Center, Home Hospice for Children of Lodz Region, 87 Dąbrowskiego Street, 93-271 Lodz, Poland
3. Department for Diagnosis and Prevention of Congenital Malformations, Medical University of Lodz and Research Institute of Polish Mother’s Memorial Hospital, 281/289 Rzgowska Street, 93-338 Lodz, Poland
4. Department of Pediatrics, Oncology, Hematology and Diabetology, Medical University of Lodz, 36/50 Sporna Street, 91-738 Lodz, Poland
5. Department of Neonatology, Research Institute of Polish Mother’s Memorial Hospital, 281/289 Rzgowska Street, 93-338 Lodz, Poland