1. Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan
2. Department of Pediatrics, Dr. Ruth KM Pfau Civil Hospital, Karachi, Pakistan
3. Department of Medicine, The Aga Khan University, Karachi, Pakistan
4. Department of Anesthesiology and Critical Care, Methodist DeBakey Heart & Vascular Center, Houston Methodist Hospital, Houston, TX, USA
5. Department of Nursing, Hamad Medical Corporation, Doha, Qatar
6. Adjunct Clinical Professor, Texas A&M University, Corpus Christi, TX, USA