Puberty, Precocious

• Pediatric Endocrinology of Phoenix — Phoenix, Arizona, United States
• Children's National Medical Center — San Diego, California, United States
• Children's National Medical Center — Washington D.C., District of Columbia, United States
• Arnold Palmer Pediatric Endocrinology Practice — Orlando, Florida, United States

• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States

Not specified

• Assistance Publique - Hôpitaux de Paris — Paris, France

• Ajou University medical center — Soo-won, South Korea

• Site Reference ID/Investigator# 13521 — Birmingham, Alabama, United States
• Site Reference ID/Investigator# 14922 — Long Beach, California, United States
• Site Reference ID/Investigator# 26043 — Los Angeles, California, United States
• Site Reference ID/Investigator# 20802 — San Diego, California, United States

• Site Reference ID/Investigator# 8765 — Birmingham, Alabama, United States
• Site Reference ID/Investigator# 11522 — Long Beach, California, United States
• Site Reference ID/Investigator# 8756 — Los Angeles, California, United States
• Site Reference ID/Investigator# 8755 — San Diego, California, United States

• Site Reference ID/Investigator# 46673 — Phoenix, Arizona, United States
• Site Reference ID/Investigator# 46671 — San Francisco, California, United States
• Site Reference ID/Investigator# 14921 — Stanford, California, United States
• Site Reference ID/Investigator# 14343 — Aurora, Colorado, United States

• National Institute of Child Health and Human Development (NICHD) — Bethesda, Maryland, United States

• National Institute of Child Health and Human Development (NICHD) — Bethesda, Maryland, United States