Koo Japil | Department of Physics, POSTECH, Pohang 790-784, Korea

Korea Advanced Institute of Science and Technology (KAIST)

Department Of Aquaculture Cheju National University

Department Of Physics Pohang University Of Science And Technology

Deparment Of Obstetrics & Gynecology College Of Medicine Pusan National University

Department Of Anatomy Seoul National University College Of Medicine

Department Of Physics And Electron Spin Science Center Pohang Univ. Of Science And Technology

Department Of Materials Science And Engineering Gwangju Institute Of Science And Technology

Department of Physics, POSTECH, Pohang 790-784, Korea

Department of Nanobio Materials and Electronics and Department of Materials Science and Engineering, GIST, Gwangju 500-712, Korea

Department of Physics, Daegu University, Kyoungsan 712-714, Korea