1. Clinical Pharmacy Department; Faculty of Pharmacy; Cairo University; Cairo Egypt
2. Health Economics, Modelling and Systems Analysis (HeMaSa); Centre for Technology Enabled Health Research; Coventry University; Coventry UK
3. Department of Anaesthesiology and Critical Care; Faculty of Medicine; Ain Shams University; Cairo Egypt
4. Pragmatic Clinical Trials Unit (PCTU); Centre for Primary Care and Public Health; Queen Mary; University of London; London UK