1 Abraham Verghese is the Linda R. Meier and Joan F. Lane Provostial Professor and Vice Chair, Department of Medicine, Stanford University Medical School, Stanford, CA 94305, USA. Email: abrahamv@stanford.edu.
2 Eric Topol is Professor of Molecular Medicine, Scripps Research, and Director of the Scripps Research Translational Institute, La Jolla, CA 92037, USA. Email: etopol@scripps.edu.