1. Family Medicine Department, Royal Medical Service – Bahrain Defense Force Hospital, Riffa, Bahrain
2. Pediatric Department, Royal Medical Service – King Hamad University Hospital, Muharraq, Bahrain
3. Primary Healthcare Centres, Manama, Bahrain
4. Anesthesia Resident, Royal Medical Service – Mohammed Bin Khalid Bin Salman Al Khalifa Cardiac Center, Awali, Bahrain
5. Arabian Gulf University, Manama, Bahrain.