Erratum to: Intern Emerg Med (2013) 8:347–348 DOI 10.1007/s11739-013-0938-6

Unfortunately, part of the author group was missed in the original publication. The affiliation for the author group is also incorrect. The correct author group and their affiliation is given below.

Giulia Nenna · Giorgio Costantino · Gruppo di Autoformazione Metodologica (GrAM)

Ospedale Luigi Sacco, Milan, Italy