Glynn NW, Gmelin T, Santanasto AJ, Lovato LC, Lange-Maia BS, Nicklas BJ, Fielding RA, Manini TM, Myers VH, de Rekeneire N, Spring BJ, Pahor M, King AC, Rejeski WJ, Newman AB. Impact of Baseline Fatigue on a Physical Activity Intervention to Prevent Mobility Disability. J Am Geriatr Soc. 2020 03; 68(3):619-624.