This research includes the compilation of a questionnaire with precoded questions, so it would be easy for those being asked to answer them. The answers were collected through personal interviews, which were given by the hospital staff face-to-face and were then processed with the use of a statistic program SPSS V 15. The questionnaire was developed according to the following principles: 1) limitation of a question to one idea; 2) no questions accepting multiple complex answers; 3) avoiding leading questions; 4) simple language; 5) avoiding negative or conditional answers; and 6) posing only necessary questions [34,35].