[1] Guys & St Thomas Hosp, London, England
[2] Fdn Hlth Care Qual, Obstetr Care Outcomes Assessment Programme OBCOAP, Seattle, WA USA
[3] Imperial Coll London, London, England
[4] Guys & St Thomas Hosp, Gynaecol, London, England
[5] Guys & St Thomas Hosp, Gynaecol Dept, London, England
[6] KPMG Isl Grp, Healthcare, London, England
[7] Imperial Coll London, Womens Hlth, Practice, London, England
[8] Royal Coll Obstetricians & Gynaecologists, London, England