1Division of Environmental Health and Occupational Medicine, National Health Research Institutes, Kaohsiung, Taiwan
2Department of Occupational Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
3Graduate Institute of Occupational Safety and Health, Kaohsiung Medical University, Taiwan
4Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan
5Graduate Institute of Epidemiology, College of Public Health, National Taiwan University, Taipei, Taiwan
6Department of Gastroenerology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
7Department of Chest Surgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
8Department of Chest Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
Copyright © 2001 Cancer Research Campaign
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 https://creativecommons.org/licenses/by/4.0/.
