1 Emergency Department and Department of Surgery P. Valdoni, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy. andrea.mingoli@uniroma1.it.
2 Emergency Department and Department of Surgery P. Valdoni, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy.
3 Azienda Osp. S. Giovanni Addolorata, Rome, Italy.