1 Department of Pediatrics, Ochsner Hospital for Children, Jefferson, LA.

2 Department of Anesthesiology and Critical Care Medicine, Baltimore, MD.

3 Department of Pediatrics, Baltimore, MD.

4 Department of Physical Medicine and Rehabilitation, Johns Hopkins University School of Medicine, Baltimore, MD.

*See also p. e592.

The authors have disclosed that they do not have any potential conflicts of interest.