Enhancing adaptive proton therapy through CBCT images: Synthetic head and neck CT generation based on 3D vision transformers - Viar-Hernandez, D; Molina-Maza, JM; Vera-Sanchez, JA; Perez-Moreno, JM; Mazal, A; Rodriguez-Vila, B; Malpica, N; Torrado-Carvajal, A (Medical Physics, 2024)