This corrigendum/addendum supplies corrected statements and proofs of an error by the authors. Hereby, authors declare that the corrected authors list and affiliations are:

Vali Imantalab^1^; Ali Mirmansouri^2,\*^; Abbas Sedighinejad^1^; Bahram Naderi Nabi^1^; Farnoush Farzi^1^; Mohammad Haghighi^1^; Hadi Atamanesh^1^; Nassir Nassiri^3^

^1^Anesthesiology Department, Guilan University of Medical Sciences, Rasht, Iran

^2^Anesthesia Research Center, Dr. Heshmat Hospital, Guilan University of Medical Sciences, Rasht, Iran

^3^Cardiac Surgery Department, Guilan University of Medical Sciences, Rasht, Iran

^\*^Corresponding author: Ali Mirmansouri, Anesthesia Research Center, Dr. Heshmat Hospital, Guilan University of Medical Sciences, Rasht, Iran. Tel: +98-9111315314, Fax: +98-1316668718, E-mail: <a_mirmansoori@gums.ac.ir>

Sincerely yours

Ali Mirmansouri
