Stefano Guerriero is Full Professor of Obstetrics and Gynecology at the University of Cagliari, Italy from 2016 to present. Graduated in Medicine at the University of Pisa, Italy, in 1988, and completed his residency in Obstetrics and Gynecology in 1992 in the same university. He was Associate Professor in Obstetrics and Gynecology at Cagliari University from 2006 to 2016 and Assistant Professor from 1999 to 2006. He is the author of more than 217 scientific publications that have appeared on peer review journals listed by MEDLINE. His h-index is 43. He is involved from 2006 in IOTA (International Ovarian Tumor Analysis) group but also in IETA (International Endometrial Tumor Analysis) and MUSA (Morphological Uterus Sonographic Assessment) group, three international groups well renowned for the quality of the published studies. Professor Guerriero is involved in the steering committee of IDEA (International Deep Endometriosis Analysis) Group. He was Editor of Ultrasound in Obstetrics and Gynecology from 2011 to 2018. He has been a founding member of the International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) and he has been involved in the invited faculty of several congresses of this society and in other congresses all over the world. Dario Paladini is the Head of Fetal and Perinatal Medicine Unit at the IRCCS lstituto Giannina Gaslini of Genoa, Italy since 2013. Moreover, he is Associate Professor of OBGYN at the University Federico II of Naples, Italy. Graduated in Medicine at the Naples University, Italy in 1986, he spent 3 months at the Guy's Hospital, London, UK for training in fetal echocardiography. Once he completed his residency at the University Federico II of Naples, Italy in 1990, he had a training in Gynecologic Oncology at the National Cancer Institute of Milan, Italy for a total of 3 years. He was the president of the Italian Society of Ultrasound in Obstetrics and Gynecology (SIEOG) between 2010 to 2013. He has held high-level positions in International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) since 2003. He has been in the Editorial Board of Ultrasound in Obstetrics and Gynecology since 2005 to current. He is the author of numerous scientific publications that have appeared on peer review journals. Moreover, he is the author of books with worldwide circulation.

• 3D Ultrasound. Introduction and methodology.- 3D in the first trimester.- 3D Ultrasound and Fetal Neurosonography.- 3D Ultrasound and cranio-facial anomalies.- STIC – 4D Echocardiography and congenital heart defects.- 3D Ultrasound in skeletal dysplasias.- 3D Ultrasound in vertebral anomalies.- 3D in reproduction.- 3D in adenomyosis.- 3D in mullerian anomalies.- 3D in endometriosis including superficial.- 3D in rectal water contrast transvaginal ultrasonography and for the detection of bladder endometriosis.- 3D in adnexal masses.- 3D in endometrial and cervical cancer.

Stefano Guerriero is Full Professor of Obstetrics and Gynecology at the University of Cagliari, Italy from 2016 to present. Graduated in Medicine at the University of Pisa, Italy, in 1988, and completed his residency in Obstetrics and Gynecology in 1992 in the same university. He was Associate Professor in Obstetrics and Gynecology at Cagliari University from 2006 to 2016 and Assistant Professor from 1999 to 2006. He is the author of more than 217 scientific publications that have appeared on peer review journals listed by MEDLINE. His h-index is 43. He is involved from 2006 in IOTA (International Ovarian Tumor Analysis) group but also in IETA (International Endometrial Tumor Analysis) and MUSA (Morphological Uterus Sonographic Assessment) group, three international groups well renowned for the quality of the published studies. Professor Guerriero is involved in the steering committee of IDEA (International Deep Endometriosis Analysis) Group. He was Editor of Ultrasound in Obstetrics and Gynecology from 2011 to 2018. He has been a founding member of the International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) and he has been involved in the invited faculty of several congresses of this society and in other congresses all over the world. Dario Paladini is the Head of Fetal and Perinatal Medicine Unit at the IRCCS lstituto Giannina Gaslini of Genoa, Italy since 2013. Moreover, he is Associate Professor of OBGYN at the University Federico II of Naples, Italy. Graduated in Medicine at the Naples University, Italy in 1986, he spent 3 months at the Guy's Hospital, London, UK for training in fetal echocardiography. Once he completed his residency at the University Federico II of Naples, Italy in 1990, he had a training in Gynecologic Oncology at the National Cancer Institute of Milan, Italy for a total of 3 years. He was the president of the Italian Society of Ultrasound in Obstetrics and Gynecology (SIEOG) between 2010 to 2013. He has held high-level positions in International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) since 2003. He has been in the Editorial Board of Ultrasound in Obstetrics and Gynecology since 2005 to current. He is the author of numerous scientific publications that have appeared on peer review journals. Moreover, he is the author of books with worldwide circulation.

• 3D Ultrasound. Introduction and methodology.- 3D in the first trimester.- 3D Ultrasound and Fetal Neurosonography.- 3D Ultrasound and cranio-facial anomalies.- STIC – 4D Echocardiography and congenital heart defects.- 3D Ultrasound in skeletal dysplasias.- 3D Ultrasound in vertebral anomalies.- 3D in reproduction.- 3D in adenomyosis.- 3D in mullerian anomalies.- 3D in endometriosis including superficial.- 3D in rectal water contrast transvaginal ultrasonography and for the detection of bladder endometriosis.- 3D in adnexal masses.- 3D in endometrial and cervical cancer.