Improved coping and self-efficacy drive improvements in mood among caregivers of patients with primary malignant brain tumors: Results from a randomized controlled trial. - Willis KD; Forst DA; Horick N; Strander SM; Whitman J; Corveleyn A; Sannes T; Temel JS; Greer JA; El-Jawahri A; Jacobs JM (Neuro-oncology, 2026)