1. Radboud Institute for Health Sciences, IQ healthcare; Radboud University Medical Center; PO Box 9101 Nijmegen Netherlands 6500 HB
2. HAN University of Applied Sciences; Faculty of Health and Social Studies; Nijmegen Netherlands
3. Zorgbelang Gelderland; Arnhem Netherlands
4. Faculty of Medicine, Siriraj Hospital, Mahidol University; Department of Obstetrics and Gynaecology; Mahidol Thailand
5. The University of Manchester; Centre for Health Informatics, Institute of Population Health; Williamson Building, 5th Floor Oxford Road Manchester Greater Manchester UK M13 9PL