1 Department of Nursing and Rehabilitation, Faculty Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Malaysia.
2 Department of Environmental and Occupational Health Faculty Medicine and Health Sciences, Universiti Putra Malaysia 43400 UPM Serdang, Selangor, Malaysia. Electronic address: shah86zam@upm.edu.my.
3 Department of Community Health Faculty Medicine and Health Sciences, Universiti Putra Malaysia 43400 UPM Serdang, Selangor, Malaysia.
4 Accident and Emergency Unit, Palestinian Ministry of Health, Palestine Jenin Street, Jenin, Palestine.