Calcium Metabolism Disorders

• Erciyes University Hospital, Faculty of Medicine, Department of Internal Medicine, and Department of Nephrology, and Dialysis Unit — Kayseri, Turkey (Türkiye)

• The University of Michigan — Ann Arbor, Michigan, United States

• Manshyet El-Bakry Hospital — Cairo, Egypt

• CRMN, Hôpital La Citadelle — Liège, Wallonia, Belgium

• Gulab Devi Hospital — Lahore, Punjab Province, Pakistan

• British Columbia Children's Hospital — Vancouver, British Columbia, Canada
• Children's Hospital of London Health Sciences Centre — London, Ontario, Canada
• Children's Hospital of Eastern Ontario — Ottawa, Ontario, Canada
• The Hospital for Sick Children — Toronto, Ontario, Canada

Not specified

• Mayo Clinic — Rochester, Minnesota, United States

• Mayo Clinic in Rochester — Rochester, Minnesota, United States

• Chung-Ang University Hospital — Seoul, South Korea
• Seoul National University Hospital — Seoul, South Korea