1. Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
2. Healthcare Research Institute, Kolon Advanced Research Center, Kolon Industries, Inc., Seoul, South Korea
3. Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland
4. Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania
5. Department of Orthopedics, University Medical Center Utrecht, Utrecht, The Netherlands
6. Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
7. Department of Joint Surgery, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China