[1] Leiden Univ, Med Ctr, Ctr Bone Qual, Dept Orthoped Surg, Albinusdreef 2, NL-2333 ZA Leiden, Netherlands
[2] Leiden Univ, Med Ctr, Dept Radiol, Nucl Med Sect, Albinusdreef 2, NL-2333 ZA Leiden, Netherlands
[3] Slingeland Hosp, Dept Nucl Med, Kruisbergseweg 25, NL-7009 BL Doetinchem, Netherlands
[4] Leiden Univ, Med Ctr, Ctr Bone Qual, Dept Internal Med,Div Endocrinol, Albinusdreef 2, NL-2333 ZA Leiden, Netherlands