Table I.

Overview of participants.

Sex	Female	23
	Male	2
Age	18–30	18
	31–55	7
Education	2–3 years	21
	4 years or more (bachelor degree)	4
Work place	Endocrinology unit	10
	Nephrology unit	15
	Inpatients	18
	Outpatients	7
Work experience	4 months–1 year	4
	2–5 years	12
	6–14 years	4
	15–20 years	5