1. Medical Student, School of Medicine and Surgery, University of Milan Bicocca, Bergamo, Italy
2. Department of Medicine, Shifa International Hospital, Islamabad, Pakistan
3. Department of Intensive care, Wythenshawe Hospital, Manchester, UK
4. Department of medicine, Lahore Medical and Dental College, Lahore, Pakistan
5. Department of Cardiology, Rawalpindi Institute of Cardiology, Rawalpindi, Pakistan
6. Department of Medicine, Rawalpindi Medical University, Rawalpindi, Pakistan
7. Department of Hematology, Healthways Laboratories, Rawalpindi, Pakistan
8. Department of Endocrinology, Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy