1 Department of Emergency Medicine, King Hamad University Hospital, Building 2345, Road 2835, Block 228, P. O. Box 24343, Busaiteen, Kingdom of Bahrain.
2 Emergency Medicine Department, Bahrain Defence Force, Royal Medical Services, Riffa, Kingdom of Bahrain.
3 National Health Regulatory Authority, Sanabis, Kingdom of Bahrain.
4 Department of Emergency Medicine, King Hamad University Hospital, Building 2345, Road 2835, Block 228, P. O. Box 24343, Busaiteen, Kingdom of Bahrain. dr.mudhaffar@gmail.com.