1. Assistant Professor, Tehran University of Medical Sciences, School of Nursing and Midwifery, Tehran, Iran
2. Professor, Hunter College of the City University of New York, Williston Park, NY, USA
3. Professor, Tehran University of Medical Sciences, School of Nursing and Midwifery, Tehran, Iran
4. Instructor, Tehran University of Medical Sciences, School of Nursing and Midwifery, Tehran, Iran