text: This type of exposure has been evaluated by many authors (Carere et al., 1995; Moen et al., 1995; Javelaud et al., 1998; Liljelind et al., 2000; Peretz et al., 2000) and, more recently, studies focused on the risk for self-service operations have been carried out (Vainiotalo et al., 1999; Egeghy et…