The Vanderbilt Open-Source Ventilator: From Napkin Sketch to Ready to Save Lives in Three Weeks. - Joshua B. Gafford; Kevin C. Galloway; Scott Webster; Maxwell Emerson; Katherine E. Riojas; Dominick S. Ropella; Andrew Tumen; Fabien Maldonado; Matthew Bacchetta; Eric J. Barth; S. Duke Herrell; Robert James Webster III (IEEE Robotics Autom. Mag., 2021)