| Authors: |
Ryu HS; Department of Occupational and Environmental Medicine, Keimyung University Dongsan Medical Center, Daegu, Korea., Ha JC; Department of Occupational and Environmental Medicine, Keimyung University Dongsan Medical Center, Daegu, Korea.; Department of Occupational and Environment Medicine, Keimyung University School of Medicine, Daegu, Korea., Chung I; Department of Occupational and Environmental Medicine, Keimyung University Dongsan Medical Center, Daegu, Korea.; Department of Occupational and Environment Medicine, Keimyung University School of Medicine, Daegu, Korea., Yang S; Department of Occupational and Environmental Medicine, Dongguk University Gyeongju Hospital, Gyeongju, Korea., Kim H; Department of Occupational and Environmental Medicine, Ewha Womans University Mokdong Hospital, Seoul, Korea., Choi SD; Department of Urban and Environmental Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Korea. |