Polycystic Ovary Syndrome

• The Reproductive Medicine Unit, Helsinki University Hospital — Helsinki, Finland

• Endo Health GmbH — Chemnitz, Saxony, Germany

• Al-Hussein University Hospital — Cairo, Egypt

• faculty of medicine Sohag university — Sohag, Egypt

• Peking University Third Hospital — Beijing, Beijing Municipality, China

Not specified

• Renji Hospital, School of Medicine, Shanghai Jiaotong University — Shanghai, China

• Sheba Medical Center — Ramat Gan, Israel

Not specified

Not specified