Department of Anesthesia Department of Anesthesia Doctors Dr. Abdolhamid Zokaei Associated Professor of cardiac anesthesiology Kermanshah University of Medical Sciences hamidzokaei@gmail.com Dr. Alireza Ahmadi MD, PhD, FCPM Anesthlositist Fellowship of Pain Management ahmadiar1012@yahoo.com Dr.Mohammad Javad Nader SepahiAnaesthesiologistHead of Imam Reza HospitalAssistant professor of kermanshah university of medical scienceMohamadjavadNadearsepahi@gmail.com Dr mohamad javad alibakhshiAnaesthesiologist Assistant professor of kermanshah university of medical scienceMjalibakhshi@yahoo.com Dr. Shahram BidhendiMD, PhD, FCPM Anesthlositistdr.bidhendi@yahoo.com Dr Arastoo FarokhiMD, anesthesiologist and intensivistaras_tu@yahoo.com