Affiliation: | 1. Department of Earth and Environmental Sciences, National Chung Cheng University, , Minhsiung Township, Chiayi County, Taiwan;2. Department of Otorhinolaryngology, Cheng Hsin General Hospital, , Taipei City, Taiwan;3. General Surgery, Surgical Department, Cheng Hsin General Hospital, , Taipei City, Taiwan;4. Department of Safety Health and Environmental Engineering, National Kaohsiung First University of Science and Technology, , Kaohsiung City, Taiwan |