Korea National University of Transportation, Korea National University of Transportation, Korea National University of Transportation, Korea National University of Transportation, Korea National University of Transportation, Korea National University of Transportation, Electronics and Telecommunications Research Institute, Thammasat University, Ramkhamhaeng University, Korea National University of Transportation, Korea National University of Transportation, Korea National University of Transportation, Chungbuk National University, Korea National University of Transportation, Korea National University of Transportation and Korea National University of Transportation