Erickson, Kirk, I; Hillman, Charles; Sullman, Chelsea M.; Ballard, Rachel M.; Bloodgood, Bonny; Conroy, David E.; Macko, Richard; Marquez, David X.; Petruzzello, Steven J.; Powell, Kenneth E.; Buchner, David M.; Campbell, Wayne W.; Dipietro, Loretta; Hillman, Charles H.; Jakicic, John M.; Janz, Kathleen F.; Katzmarzyk, Peter T.; King, Abby C.; Kraus, William E.; Macko, Richard F.; McTieman, Anne; Pate, Russell R.; Pescatello, Linda S.; Whitt-Glover, Melicia C.; 2018 Phys Activity Guidelines