1. Department of Pathology, School of Medicine, Kyung Hee University, Seoul, Korea.
2. Department of Pharmacology, School of Medicine, Kyung Hee University, Seoul, Korea.
3. Laboratory of Orthopaedic Pathology, School of Medicine, University of Buenos Aires, Buenos Aires, Argentina.
4. Department of Pathology, School of Medicine, University of Buenos Aires, Buenos Aires, Argentina.