From the ^*Institute for Advanced Clinical Trials for Children, Rockville, Maryland

^†Weill-Cornell Medical College, New York, New York

^‡George Washington School of Medicine, Washington, District of Columbia.

Accepted for publication May 22, 2020.

The authors have no funding or conflicts of interest to disclose.

Address for correspondence: Gary J. Noel, MD, Institute for Advanced Clinical Trials for Children, 9211 Corporate Blvd, Suite 260, Rockville, MD 20850. E-mail: [email protected].