Dysmenorrhea

• Innsbruck Medical University — Innsbruck, Austria
• Medical University of Vienna — Vienna, Austria
• University Hospital Hamburg-Eppendorf — Hamburg, Germany
• University of Mainz — Mainz, Germany

• Mount Zion Outpatient Unit — San Francisco, California, United States

• Lyndhurst Gynecologic Associates — Winston-Salem, North Carolina, United States
• SCIREX Research Center — Memphis, Tennessee, United States
• SCIREX Research Center — Austin, Texas, United States
• Jean Brown Research — Salt Lake City, Utah, United States

• School of Physiotherapy Clinic UFPI / Campus Minister Reis Velloso — Parnaíba, Piauí, Brazil

• Truman Medical Center — Kansas City, Missouri, United States
• University of Kansas Medical Center, Department of Obstetrics and Gynecology — Kansas City, Missouri, United States

• Läkargruppen Victoria Söderhallarna 120 — Stockholm, Stockholm County, Sweden
• Karolinska Institute, Fertility Unit, K59 Karolinska University Hospital at Huddinge — Stockholm, Stockholm County, Sweden
• Department of Gynaecology and Obstetrics Danderyd Hospital — Stockholm, Stockholm County, Sweden

• Mahidol University — Bangkoknoi, Bangkok, Thailand

Not specified

Not specified

• MPTC — Leuven, Belgium
• VCLB — Leuven, Belgium