1Kaohsiung Medical University, Department of Public Health, Kaohsiung, 807 Taiwan
2Kaohsiung Medical University, Research Center of Environmental Health, Kaohsiung, 807 Taiwan
3Harvard T.H. Chan School of Public Health, Department of Environmental Health, Boston, 02115 USA
4Kaohsiung Medical University, Department of Pharmacy, Kaohsiung, 807 Taiwan
5National Sun Yat-Sen University, Department of Chemistry, Kaohsiung, 807 Taiwan
6Kaohsiung Medical University Hospital, Department of Family Medicine, Kaohsiung, 807 Taiwan
7Kaohsiung Municipal Hsiao-Kang Hospital, Center of Environmental and Occupational Medicine, Kaohsiung, 807 Taiwan
© The Author(s) 2017
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
