1 Cardiac Intensive Care Unit, The Heart Institute, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH, 45229, USA. [email protected].
2 Department of Statistics, Federal University of Parana, Curitiba, Brazil.
3 Department of Emergency Medicine, University of Cincinnati, Cincinnati, OH, USA.
4 Section of Clinical Biochemistry, Department of Neuroscience, Biomedicine and Movement, University of Verona, Verona, Italy.