Supplemental Material for Feasibility of a Multi-Component Strengths-Building Intervention for Caregivers of Persons With Heart Failure by Martha Abshire Saylor, Noelle Pavlovic, Lyndsay DeGroot, Anna Peeler, Katie E. Nelson, Nancy Perrin, Nisha A. Gilotra, Jennifer L. Wolff, Patricia M. Davidson, and Sarah L. Szanton in Journal of Applied Gerontology</p