1 Advanced Biological Therapy Unit, Hospital Vithas San Jose, Vitoria-Gasteiz, Spain; Arthroscopic Surgery Unit, Hospital Vithas San Jose, Vitoria-Gasteiz, Spain.
3 Policlínica Gipuzkoa, Donostia-San Sebastián, Spain.
4 Department of Pathological Anatomy, OSI Hospital Universitario de Álava, Vitoria, Spain.
5 University Institute for Regenerative Medicine and Oral Implantology (UPV/EHUFundación Eduardo Anitua), Vitoria, Spain; BTI Biotechnology Institute, Vitoria, Spain.