1. Department Of Pediatric Surgery, Trakya University School Of Medicine, Edirne, Turkey
2. Renewable Energy - Photovoltaic Laboratory, Incemc Timisoara, Romania
3. Department Of Paediatric Cardiology, Comenius University School Of Medicine, Bratislava, Slovakia; Department Of Arryhythmias And Cardiac Pacing, Pediatric Cardiac Center, Bratislava, Slovakia
4. Ivano-Frankivsk National Medical University, Ivano-Frankivsk, Ukraine