1. Department of Public Health and Community Medicine, Faculty of Medicine, Jordan University of Science and Technology, , Jordan
2. , , Griffith University, , , Australia
3. Department of Family and Community Medicine, School of Medicine, The University of Jordan , , Jordan
4. , The Prince Charles Hospital, , , Australia
5. University of Queensland, , , Australia
6. School of Public Health and Social Work, Queensland University of Technology (QUT), , , Australia