affiliation not provided to SSRN, Ewha Womans University, Ewha Womans University - Department of Environmental Medicine, Seoul National University - College of Medicine, affiliation not provided to SSRN, Yonsei University, Inha University Hospital, Ewha Womans University, affiliation not provided to SSRN, Ewha Womans University, affiliation not provided to SSRN, Kangwon National University, National Institute of Environmental Research and Ewha Womans University - Department of Environmental Medicine