Menstruation Disturbances

• Achieve Clinical Research/ ID # 601 — Birmingham, Alabama, United States
• Choice Research, LLC/ ID # 609 — Dothan, Alabama, United States
• Southeast Clinical Research/ ID # 618 — Chiefland, Florida, United States
• Universal Axon - Homestead, LLC/ ID # 620 — Homestead, Florida, United States

• PARC, Royal Adelaide Hospital — Adelaide, South Australia, Australia

• Fenerbahçe University — Istanbul, Ataşehir, Turkey (Türkiye)

• Hospital Universitario Ramón y Cajal — Madrid, Spain

• Halic University — Istanbul, Turkey (Türkiye)

• Cedars-Sinai Barbra Streisand Women's Heart Center — Los Angeles, California, United States

Not specified

• Kutahya Health Sciences University- Health Sciences Faculty — Kütahya, Turkey (Türkiye)

Not specified

• Derya — Bandırma, Balıkesir, Turkey (Türkiye)