1 Division of Midwifery and Radiography, City, University of London, UK; Discipline of Medical Imaging & Radiation Therapy, University College Cork, Ireland; Medical Imaging Department, Corfu General Hospital, Greece. Electronic address: nstogiannos@yahoo.com.
2 Division of Midwifery and Radiography, City, University of London, UK; Department of Perinatal Imaging and Health, King's College London, UK. Electronic address: emily.skelton@city.ac.uk.
3 King's College London, UK. Electronic address: charlie.rogers@city.ac.uk.
4 Division of Midwifery and Radiography, City, University of London, UK. Electronic address: meera.sharma@city.ac.uk.
5 Division of Midwifery and Radiography, City, University of London, UK. Electronic address: stamatia.papathanasiou@city.ac.uk.
6 Division of Midwifery and Radiography, City, University of London, UK; Department of Radiography, School of Clinical Care Sciences, Faculty of Health Sciences, Nelson Mandela University, South Africa. Electronic address: riaan.vandeventer@mandela.ac.za.
7 Division of Midwifery and Radiography, City, University of London, UK; MRI Safety Matters(Ⓡ) organisation. Electronic address: mrisafetymatters@btinternet.com.
8 Division of Midwifery and Radiography, City, University of London, UK. Electronic address: janemfrancis@hotmail.com.
9 Division of Midwifery and Radiography, City, University of London, UK. Electronic address: lucy.walton@city.ac.uk.
10 Division of Midwifery and Radiography, City, University of London, UK. Electronic address: chris.osullivan@city.ac.uk.
11 School of Allied Health Sciences, De Montfort University, Leicester, UK. Electronic address: edwin.abdurakman@dmu.ac.uk.
12 Division of Midwifery and Radiography, City, University of London, UK. Electronic address: liam.mannion@city.ac.uk.
13 Division of Midwifery and Radiography, City, University of London, UK. Electronic address: r.j.thorne@city.ac.uk.
14 Division of Midwifery and Radiography, City, University of London, UK; School of Health Sciences (HESAV), University of Applied Sciences and Arts Western Switzerland (HES-SO), Lausanne, Switzerland. Electronic address: christina.malamateniou@city.ac.uk.