Conversations in cardiology: Late career transitions—Retool, retire, refocus. Issue 7 (21st April 2022) - Kern, Morton J.; Applegate, Bob; Bittl, John; Block, Peter; Butman, Sam; Dehmer, Gregory; Garratt, Kirk N.; Henry, Tim; Hirshfeld, John; Holmes, David R.; Kaplan, Aaron; King, Spencer; et al.