1. Department of Pathology, Kyung Hee University School of Medicine, Seoul, Korea
2. Department of Pathology, University of Buenos Aires, Buenos Aires, Argentina
3. Rede SARAH de Hospitais do Aparelho, Brasilia, Brazil
4. Servizio di Anatomia Patologica, Istituto Ortopedico Rizzoli, Bologna, Italy
5. Department of Pathology, Mayo Clinic, Rochester, USA
6. Medical Science and Engineering Research Center for Bioreaction to Reactive Oxygen Species, Kyung Hee University School of Medicine, Seoul, Korea