1. Department of Plastic & Reconstructive Surgery, Institute of Human Tissue Restoration, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
2. Department of Plastic & Reconstructive Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
3. Research Institute of T&R Biofab Co.,Ltd, Seongnam, Korea.
4. Department of Mechanical Engineering, Tech University of Korea, Siheung, Korea.
5. Ipche Plastic Surgery Clinic, Seoul, Korea.