Affiliation: | (1) Occupational Health Department, School of Public Health, Beijing Medical University, 100083 Beijing, Peoples Republic of China;(2) Biomedical Engineering Department, School of Basic Medicine, Peking Union Medical College, 5 Dong Dan San Tiao, 100005 Beijing, Peoples Republic of China;(3) Biomedical Engineering Department, Xi'an Medical University, 710061 Xi'an, Shaanxi, Peoples Republic of China |