DOI: https://doi.org/10.18597/rcog.2010
DOI: https://doi.org/10.18597/rcog.2012
DOI: https://doi.org/10.18597/rcog.2016
DOI: https://doi.org/10.18597/rcog.2019
DOI: https://doi.org/10.18597/rcog.2021
DOI: https://doi.org/10.18597/rcog.2023