Amount, Type, and Timing of Domain-Specific Moderate to Vigorous Physical Activity Among US Adults. - Saint-Maurice, Pedro F.; Berrigan, David; Whitfield, Geoffrey P.; Watson, Kathleen B.; Patel, Shreya; Loftfield, Erikka; Sampson, Joshua N.; Fulton, Janet E.; Matthews, Charles E. (Journal of Physical Activity & Health, 2021)