Affiliations

• ¹ Director of Collaborative Research, Clinical Research Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD, USA john.powers@nih.gov.
• ² Clinical Medicine, George Washington University School of Medicine, Washington, DC, USA.
• ³ Department of Pharmaceutical Health Services Research, University of Maryland School of Pharmacy, Baltimore, MD, USA.
• ⁴ Critical Care Medicine Branch, National Heart, Lung, and Blood Institute and Critical Care Medicine Department, NIH Clinical Center, Bethesda, MD, USA.