Head and Neck Tumor Segmentation and Outcome Prediction : Second Challenge, HECKTOR 2021, Held in Conjunction with MICCAI 2021, Strasbourg, France, September 27, 2021, Proceedings - Andrearczyk, Vincent; Depeursinge, Adrien; Hatt, Mathieu; Oreiller, Valentin (Cham Springer International Publishing AG, 2022)