1. Department of Plastic Reconstructive Surgery and Hand Surgery, Azienda Ospedaliero Universitaria Ospedali Riuniti, 60126 Ancona, Italy
2. Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, Debrecen, Hajdu-Bihar, Hungary
3. Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Division, University of Verona, 37134 Verona, Italy
4. Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, PO Box 5000, FI-90014 Oulu, Finland
5. Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, LT-08406 Vilnius, Lithuania
6. University Medical Center Utrecht, Department of Orthopedics, Rheumatology and Clinical Immunology, 508 GA, Utrecht, Netherlands