1. Limbal Stem Cell Laboratory, Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou, Taiwan
2. Center for Tissue Engineering, Chang Gung Memorial Hospital, Linkou, Taiwan
3. Department of Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
4. Department of Research, Body Organ Biomedical Corporation, Taipei, Taiwan
5. Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan, Taiwan
6. Institute of Biochemical and Biomedical Engineering, Chang Gung University, Taoyuan, Taiwan
7. Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, Taiwan
8. Department of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan