Anxiety Is a Mediator between Heart Rate Variability and Quality of Life in Chronic Obstructive Pulmonary Disease. - Wu, Da-Wei; Chang, Li-Hsin; Yang, Po-Chou; Kuo, Tzu-Yu; Tsai, Dong-Lin; Chen, Huang-Chi; Yuan, Hui-Lan; Chen, Pei-Shih; Chen, Szu-Chia; Lin, I-Mei (Journal of Personalized Medicine, 2022)