Yiu-Hei Ching1, Enrico M Camporesi2, Devanand Mangar2. 1. University of South Florida Morsani College of Medicine, 1 Tampa General Circle, Suite H-012, Tampa, FL, 33606, USA. yching@outlook.com. 2. TEAMHealth/Florida Gulf-to-Bay Anesthesiology Associates, 1 Tampa General Circle, Suite C-208, Tampa, FL, 33606, USA.