1. Department of Nursing Sciences, Nnamdi Azikiwe University, Awka Anambra state Nigeria.
2. Department of Nursing Services, Federal University Teaching Hospital Owerri Imo state Nigeria.
3. Department of Adult and Mental Health Nursing, Faculty of Nursing, University of Medical Sciences, Laje, Ondo, Ondo State. Nigeria.
4. Department of Nursing Services, Irrua Specialist Hospital, Irrua Edo State Nigeria.