[1] Univ Milan, Dept Clin Sci & Community Hlth, Endocrinol Unit, Fdn IRCCS Ca Granda Osped Maggiore Policlin, Milan, Italy
[2] Massachusetts Gen Hosp, Dept Med, Endocrine Unit, Boston, MA 02114 USA
[3] Harvard Med Sch, Boston, MA 02115 USA
[4] Univ East Anglia, Biomed Res Ctr, Norwich Res Pk, Norwich, Norfolk, England
[5] Univ Torino, Dept Publ Hlth & Pediat Sci, Pediat Endocrinol Unit, Turin, Italy
[6] Univ Lubeck, Div Pediat Endocrinol & Diabet, Dept Pediat, Lubeck, Germany
[7] Univ Glasgow, Sch Med Dent & Nursing, Dev Endocrinol Res Grp, Glasgow, Lanark, Scotland
[8] Italian Progress Osseous Heteroplasia Assoc IPOHA, Foggia, Italy
[9] French PHP & Related Disorders Patient Assoc, K20, Jouars Pontchartrain, France
[10] Bicetre Paris Saclay Hosp HUPS, APHP, Dept Med Adolescents, Le Kremlin Bicetre, France
[11] Rhein Westfal TH Aachen, Inst Human Genet, Med Fac, Aachen, Germany
[12] Spanish PHP & Related Disorders Patient Assoc, AEPHP, Almeria, Spain
[13] Connecticut Childrens Med Ctr, Div Pediat Endocrinol & Diabet, Albright Ctr, Farmington, CT USA
[14] Connecticut Childrens Med Ctr, Div Pediat Endocrinol & Diabet, Ctr Rare Bone Disorders, Farmington, CT USA
[15] Univ Connecticut, Sch Med, Dept Pediat, Farmington, CT 06032 USA
[16] Cochin Hosp HUPC, APHP, Dept Endocrinol, Paris, France
[17] Univ Paris 05, Sorbonne Paris Cite, Paris, France
[18] Leiden Univ, Div Endocrinol, Dept Med, Med Ctr, Leiden, Netherlands
[19] Leiden Univ, Ctr Bone Qual, Dept Med, Med Ctr, Leiden, Netherlands
[20] Bicetre Paris Sud Paris Saclay Univ, INSERM, U1185, Le Kremlin Bicetre, France
[21] Bicetre Paris Saclay Hosp HUPS, APHP, Reference Ctr Rare Disorders Calcium & Phosphate, Platform Expertise Paris Saclay Rare Dis & Filier, Le Kremlin Bicetre, France
[22] Bicetre Paris Saclay Hosp HUPS, APHP, Dept Endocrinol & Reprod Dis, Le Kremlin Bicetre, France
[23] Acrodysostosis Support & Res Patients Grp, London, England
[24] Bretonneau Hosp PNVS, APHP, Dept Odontol, Paris, France
[25] La Paz Univ Hosp, Dept Endocrinol & Nutr, Madrid, Spain
[26] Autonomous Univ Madrid UAM, Dept Med, Madrid, Spain
[27] Hosp La Paz, Inst Hlth Res IdiPAZ, Madrid, Spain
[28] Childrens Hosp Philadelphia, Div Endocrinol & Diabet, Philadelphia, PA 19104 USA
[29] Childrens Hosp Philadelphia, Ctr Bone Hlth, Philadelphia, PA 19104 USA
[30] Univ Penn, Dept Pediat, Perelman Sch Med, Philadelphia, PA 19104 USA
[31] Univ Helsinki, Childrens Hosp, Helsinki, Finland
[32] Helsinki Univ Hosp, Helsinki, Finland
[33] Univ Sao Paulo, Osteometabol Disorders Unit, Hormone & Mol Genet Lab LIM 42, Hosp Clin HCFMUSP,Endocrinol Div,Fac Med, Sao Paulo, Brazil
[34] Univ Nino Jesus, Hosp La Princesa, Dept Endocrinol, Hosp Infantil,Inst Hlth Res IIS La Princesa, Madrid, Spain
[35] Autonomous Univ Madrid UAM, Dept Pediat, Madrid, Spain
[36] Inst Salud Carlos III, CIBERobn, Madrid, Spain
[37] Chiba Childrens Hosp, Div Endocrinol, Chiba, Japan
[38] Manchester Univ NHS Fdn Trust, Royal Manchester Childrens Hosp, Dept Paediat Endocrinol, Manchester, Lancs, England
[39] Araba Univ Hosp Txagorritxu, BioAraba Res Hlth Inst, Mol Epi Genet Lab, C Jose Atxotegi S-N, ES-01009 Vitoria, Spain
[40] Mayo Clin, Dept Med, Rochester, MN USA
[41] Aarhus Univ Hosp, Dept Endocrinol & Internal Med, Aarhus, Denmark
[42] Bicetre Paris Saclay Hosp HUPS, APHP, Endocrinol & Diabet Children, Le Kremlin Bicetre, France
[43] Birmingham Childrens Hosp, Dept Endocrinol & Diabet, Birmingham, W Midlands, England
[44] Vanderbilt Univ, Med Ctr, Pediat Endocrinol & Diabet, Nashville, TN USA
[45] Univ Penn, Dept Orthoped Surg, Ctr Res FOP & Related Disorders, Perelman Sch Med, Philadelphia, PA 19104 USA
[46] Univ Penn, Dept Genet, Ctr Res FOP & Related Disorders, Perelman Sch Med, Philadelphia, PA 19104 USA
[47] Hop Cochin, APHP, Serv Biochim & Genet Mol, Paris, France
[48] Marmara Univ, Div Endocrinol & Diabet, Dept Pediat, Istanbul, Turkey
[49] Erasmus MC, Univ Med Ctr Rotterdam, Dept Internal Med, Bone Ctr, Rotterdam, Netherlands