Misclassification and characterization of exposure to humidifier disinfectants using a questionnaire. - Ryu, Hyeonsu; Choi, Yoon-Hyeong; Kim, Eunchae; Park, Jinhyeon; Lee, Seula; Yoon, Jeonggyo; Jo, Eun-Kyung; Choe, Youngtae; Heo, Jung; Yang, Wonho (BMC Public Health, 2021)