Hospital-Acquired Functional Decline and Clinical Outcomes in Older Cardiac Surgical Patients: A Multicenter Prospective Cohort Study. - Morisawa, Tomoyuki; Saitoh, Masakazu; Otsuka, Shota; Takamura, Go; Tahara, Masayuki; Ochi, Yusuke; Takahashi, Yo; Iwata, Kentaro; Oura, Keisuke; Sakurada, Koji; Takahashi, Tetsuya (Journal of Clinical Medicine, 2022)