- Correspondence to Dr Luis Bahamondes, Department of Obstetrics and Gynaecology, School of Medical Sciences, University of Campinas (UNICAMP), Caixa Postal 6181 13084-971 Campinas, SP, Brazil;
- Received 8 July 2016
- Revised 13 February 2017
- Accepted 27 February 2017
- Published online 22 March 2017.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.