1. Department of Biomedical & Molecular SciencesQueen's UniversityKingstonONCanada
2. Health Sciences ResearchWaters CorporationWilmslowUK
3. Department of General PediatricsUniversity Children's HospitalMuensterGermany
4. Department of GeneticsUniversity de Basse‐NormandieCaenFrance
5. National Reference Center for Rare Diseases of Calcium and Phosphorus Metabolism (Le Centre National de Référence des maladies rares du métabolisme du calcium et du phosphore)Caen University HospitalCaenFrance
6. Bone Metabolism Unit, Department of MedicineCreighton University School of MedicineOmahaNEUSA
7. Department of Diabetes, Endocrinology, and MetabolismUniversity of Nebraska Medical CenterOmahaNEUSA