1. Materials Research Institute, Athlone Institute of Technology, Athlone, Ireland
2. Veterinary Hospital, Patos Campus. Federal University of Campina Grande, Campina Grande, Paraiba 58429, Brazil
3. Laboratory of Biomaterials, Institute of Energy and Nuclear Research, São Paulo, São Paulo05508-970, Brazil
4. Rehabilitation Medicine Center, Mayo Clinic, Rochester, Minnesota 55905, United States