A.A. (UCSF, NIH T32 grant, past consulting income from LeMaitre and MIS Technologies) and D.R. (FDA) have no conflicts of interest. L.H.C. (Duke, FDA, past consulting income from Regeneron, NFLPA, Boehringer, institutional grants from GSK, Novartis) also has no conflicts. R.M.C. (FDA, former Verily Life Sciences, Google Health employee, held equity, served on boards of Cytokinetics, Centessa, Clinetic, Keystone Symposia, C-Path, Clinical Research Forum, One Fifteen) discloses no conflicts related to this manuscript.