**Author details**

Mohamed Abdelwahab Elarref1,2,3\*, Mogahed Ismail Hassan Hussein4 , Muhammad Jaffar Khan4 and Noran Mohamed Elarif<sup>5</sup>

1 Department of Anesthesiology, ICU and Periop. Medicine, HMC, Qatar

2 Faculty of Medicine, T.U., Egypt

3 Clinical Anesthesiology Weill Cornell Medical College, Qatar

4 HMC, Qatar

5 Heart Institute, Egypt

\*Address all correspondence to: melarref@gmail.com

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