1. Department of Library and Information Science, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, Republic of Korea
2. Institute of Convergence, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, Republic of Korea
3. Department of Neurology, Massachusetts General Hospital Stroke Research Center, Harvard Medical School, Boston, MA, USA