1 Department of Anesthesiology, Washington University School of Medicine in St. Louis, St. Louis, MO, USA; Division of Biology and Biomedical Sciences, Washington University School of Medicine in St. Louis, St. Louis, MO, USA; Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, USA. Electronic address: palancab@wustl.edu.
2 Department of Anesthesiology, Washington University School of Medicine in St. Louis, St. Louis, MO, USA.