“…Among the notable contributions which attempt to define and model service quality are Lehtinen and Lehtinen (1982), Gronroos ( , 1984, Lewis and Booms (1983) Parasuraman et al (1985, Zeithaml et al (1988Zeithaml et al ( , 1993, Berry et al (1988), Le Blanc and Nyugen (1988), Brown and Swartz (1989), Swartz and Brown (1989), Carman (1990) and Cronin and Taylor (1992). Specific contributions in the context of medical services include Schlegelmilch et al (1992), Joby (1992), Mowen et al (1993) and Walbridge and Delene (1993).…”