Department of Surgery,Faculty of Medicine,Prince of Songkla University,Songkhla,Thailand;
Trauma Unit,Department of Surgery,Faculty of Medicine,Prince of Songkla University,Songkhla,Thailand;
Trauma Unit,Department of Surgery,Faculty of Medicine,Prince of Songkla University,Songkhla,Thailand;
Trauma Unit,Department of Surgery,Faculty of Medicine,Prince of Songkla University,Songkhla,Thailand;