The cloth is quite uniform. A total of 25 patients agreed to be interviewed, but when their health declined rapidly, some patients were not included in the investigation. Respondents all know their diagnosis, and can speak English and cooperate, without mixing.

The cloth is quite uniform. A total of 25 patients agreed to be interviewed, but when their health declined rapidly, some patients were not included in the investigation. Respondents all know their diagnosis, and can speak English and cooperate, without mixing.