1. Biosafety Research Institute and Laboratory of Pathology (BK21 Plus Program), College of Veterinary MedicineChonbuk National University Iksan Republic of Korea
2. Division of Advanced Materials Engineering, Research Center for Advanced Materials Development and Institute of Biodegradable MaterialsChonbuk National University Jeonju Republic of Korea
3. Deptartment of Dental Biomaterials and Institute of Biodegradable material, Institute of Oral Bioscience and BK21 plus project, School of DentistryChonbuk National University Jeonju Republic of Korea