1. Hans Schöler Stem Cell Research Center (HSSCRC), Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
2. School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
3. Department of Neurosurgery, Spine and Spinal Cord Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
4. Computational Biology and Systems Biomedicine Group, Computational Biomedicine Data Analysis Platform, Biodonostia Health Research Institute, San Sebastián, Spain
5. Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Münster, Germany
6. IKERBASQUE, Basque Foundation for Science, Bilbao, Spain