1. Laboratory for skeletal development and joint disorders, KU Leuven, Leuven, Belgium.
2. School of pharmacy, Shanghai Jiao Tong University, Shanghai, People's Republic of China.
3. Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium.
4. Department of Metallurgy and Materials Engineering, KU Leuven, Leuven, Belgium.
5. Biomedical Research team, Groep-T, Leuven Engineering College (Association KU Leuven), Leuven, Belgium.