Authors:
  1. Paul Bryde Axelsson, Dyrehavevej 29, 3400 Hillerød, Denmark, Department of Gynaecology and Obstetrics Nordsjællands Hospital Hillerød
  2. Ellen Christine Leth Løkkegaard, Dyrehavevej 29, 3400 Hillerød, Denmark, Department of Gynaecology and Obstetrics Nordsjællands Hospital Hillerød
  3. Victoria Maria Foldbjerg Holten, Dyrehavevej 29, 3400 Hillerød, Denmark, Department of Gynaecology and Obstetrics Nordsjællands Hospital Hillerød
  4. Julie Milbak, Dyrehavevej 29, 3400 Hillerød, Denmark, Department of Gynaecology and Obstetrics Nordsjællands Hospital Hillerød
  5. Jane Marie Bendix, Dyrehavevej 29, 3400 Hillerød, Denmark, Department of Gynaecology and Obstetrics Nordsjællands Hospital Hillerød
  6. Line Rode, Valdemar Hansens Vej 13, 2600 Glostrup, Department of Clinical Biochemistry, Rigshospitalet Glostrup
  7. Tine Dalsgaard Clausen, Dyrehavevej 29, 3400 Hillerød, Denmark, Department of Gynaecology and Obstetrics Nordsjællands Hospital Hillerød