Ambient Air Pollution and the Health-Related Quality of Life of Older Adults: Evidence from Shandong China

- Tan, Jialong; Chen, Nuo; Chen, Chen; Wang, Jian; Bai, Jing; Yan, Peizhe; Ma, Xinyu; Ren, Meiling; Maitland, Elizabeth; Nicholas, Stephen; Cheng, Wenjing; Leng, Xue