Psychometric properties of the Japanese version of the Demoralization Scale‐II (DS‐II) in cancer patients. - Tamada, Yu; Ohmae, Susumu; Sasaki, Masaaki; Echizen, Kohei; Yasui, Reiko; Hayashida, Yumiko; Fukushima, Satoko; Shibuya, Hiroko; Masuya, Jiro (Psychiatry & Clinical Neurosciences Reports, 2025)