1. Stem Cell Neuroplasticity Research Group, Kyungpook National University, Daegu, Korea.
2. Department of Physiology, Cell and Matrix Research Institute, School of Medicine, Kyungpook National University, Daegu, Korea.
3. Department of Orthopaedic Surgery, Kyungpook National University Hospital, Daegu, Korea.
4. Ossgen, Gyeongbuk Technopark, Gyeongbuk, Korea.
5. Department of Laboratory Medicine, Yonsei Cell Therapy Center, Yonsei University College of Medicine, Seoul, Korea.
6. Department of Laboratory Animal Medicine, College of Veterinary Medicine, Kyungpook National University, Daegu, Korea.