Affiliation: | 1. Laboratory of Tissue Engineering, Korea Institute of Radiological and Medical Sciences, Seoul 139-240, Korea, Fax: (+82)-2-977-0381 R & D Institute, Modern Tissue Technologies Inc., Seoul 139-706, Korea;2. R & D Institute, Modern Tissue Technologies Inc., Seoul 139-706, Korea;3. Laboratory of Tissue Engineering, Korea Institute of Radiological and Medical Sciences, Seoul 139-240, Korea, Fax: (+82)-2-977-0381;4. Chemical Engineering Department, Seoul National University of Technology, Seoul 151-741, Korea |