1. From the R&D Institute, Modern Cell & Tissue Technologies, Inc., Seoul, Korea; the2Laboratory of Tissue Engineering, Korea Institute of Radiological and Medical Sciences, and the
2. From the R&D Institute, Modern Cell & Tissue Technologies, Inc., Seoul, Korea; the
3. Department of Microbiology, College of Medicine, Han Yang University, Seoul, Korea; and the
4. Department of Ophthalmology and Visual Science, College of Medicine, Catholic University of Korea, Seoul, Korea.
5. Laboratory of Tissue Engineering, Korea Institute of Radiological and Medical Sciences, and the