The ERAS Society has its roots in what was called the ERAS Study Group. Comprised of leading surgical groups, the ERAS Study Group was assembled by Prof. Ken Fearon and Prof. Olle Ljungqvist in 2001 to further develop ideas put forth in the 1990's by Prof. Henrik Kehlet concerning the concept of multimodal surgical care.The ERAS Study Group soon discovered that there were a variety of traditions in use in different units. There was also was a...