1. Surgical Intensive Care Department, Hamad General Hospital (HGH), Hamad Medical Corporation (HMC), Doha, Qatar
2. Ophthalmology Department, Hamad General Hospital (HGH), Hamad Medical Corporation (HMC), Doha, Qatar
3. Accident and Emergency Department, Hazm Mebaireek General Hospital (HMGH), Hamad Medical Corporation (HMC), Doha, Qatar
4. Critical Care Department, Hazm Mebaireek General Hospital (HMGH), Hamad Medical Corporation (HMC), Doha, Qatar
5. Accident and Emergency Department, Hamad General Hospital (HGH), Hamad Medical Corporation (HMC), Doha, Qatar