뒤늦게 환자가 미리 수납을 요구하는 경우에만 받는 것으로 수정했지만 문제는 쌓인 선수금을 적극적으로 돌려주려는 의지가 보이지 않는다는데 있다.
It was corrected to be received only if the patient asked for paying in advance, but the problem was that they did not show a willingness to actively return the accumulated advance payment received.