1. Section of Neonatology; Department of Pediatrics; Hospital General Universitario Gregorio Marañón; Madrid Spain
2. Department of Dermatology; Hospital General Universitario Gregorio Marañón; Madrid Spain
3. Section of Pediatric Oncology; Department of Pediatrics; Hospital General Universitario Gregorio Marañón; Madrid Spain
4. Section of Pediatric Radiology; Department of Radiology; Hospital General Universitario Gregorio Marañón; Madrid Spain