Kerr J, Takemoto M, Bolling K, Atkin A, Carlson J, Rosenberg D, Crist K, Godbole S, Lewars B, Pena C, Merchant G. Two-Arm Randomized Pilot Intervention Trial to Decrease Sitting Time and Increase Sit-To-Stand Transitions in Working and Non-Working Older Adults. PLoS One. 2016; 11(1):e0145427.