Hamad General Hospital, Hamad Medical Corporation Doha, Department of Medical Statistics and Epidemiology, State of Qatar
2.Tawam Hospital and Al-Jahili PHC Clinic, GAHS, Al-Ain, United Arab Emirates
3.Department of Non-Communicable Diseases Control, MOH (HQ), Muscat, Sultanate of Oman
4.Department of Internal Medicine, Gastroenterology Unit, Hamad General Hospital, State of Qatar
5.Director Clinical Laboratories, Tawam Hospital, GAHS, Al-Ain, United Arab Emirates
6.UAE University, Faculty of Medicine & Health Science, Department of Medical Microbiology, United Arab Emirates