1. Department of Neonatology, Hospital Álvaro Cunqueiro, Vigo, Galicia, Spain
2. Pediatrics Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO
3. John Jay College of Criminal Justice, City University of New York, New York, USA
4. Servizo de Toxicoloxía. Instituto de Ciencias Forenses, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain
5. Metodology and Statistic Department, Galicia Sur Health Research Institute (IIS Galicia Sur), Hospital Álvaro Cunqueiro, Vigo, Galicia, Spain