[1] Univ Florence, Dept Surg & Translat Med, Bone Metab Dis Unit, I-50139 Florence, Italy
[2] Hebrew Univ Jerusalem, Hadassah Med Sch, Shaare Zedek Med Ctr, Gaucher Clin, IL-91010 Jerusalem, Israel
[3] Univ Hosp Santa Maria Misericordia, Reg Coordinat Ctr Rare Dis, Udine, Italy
[4] Univ Sheffield, Sch Med, Ctr Metab Bone Dis, Sheffield, S Yorkshire, England
[5] Univ Liege, Dept Publ Hlth & Hlth Econ, Liege, Belgium
[6] Univ Hosp Geneva, Serv Bone Dis, Geneva, Switzerland
[7] Fac Med, Geneva, Switzerland
[8] Univ Southampton, MRC Lifecourse Epidemiol Unit, Southampton, Hants, England
[9] Univ Oxford, NIHR Musculoskeletal Biomed Res Unit, Oxford, England