1. Division of Emergency and Transport Medicine; Children's Hospital Los Angeles; Los Angeles CA USA
2. Department of Pediatrics; Keck School of Medicine of the University of Southern California; Los Angeles CA USA
3. Department of Biomedical Engineering; Yale University; New Haven CT USA
4. Division of Anesthesiology and Critical Care Medicine; Children's Hospital Los Angeles; Los Angeles CA USA
5. Division of Critical Care and Program in Palliative Care, Ann and Robert H. Lurie Children's Hospital; Northwestern University Feinberg School of Medicine; Chicago IL USA