1. Associate professor in midwifery, Jordan University of Science and Technology, Irbid, Jordan
2. Professor in midwifery, Institute of Nursing Research, University of Ulster at Jordanstown, Newtownabbey, UK
3. Professor in health research, Institute of Nursing Research, University of Ulster at Jordanstown, Newtownabbey, UK
4. Professor of psychology, University of Ulster at Magee Campus, Londonderry, UK