1. Research Division, Hospital for Special Surgery, New York, NY, USA
2. BG Trauma Center, Eberhard-Karls-University, Tuebingen, Germany
3. Center for Molecular Imaging in Cancer, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
4. Mineralized Tissue Laboratory, Hospital for Special Surgery, New York, NY, USA
5. Bone Cell Biology and Imaging Laboratory, Department of Orthopedics, MRI, Technical University Munich, Munich, Germany