Table 1. Demographic features of the responders

		Male, n	Female, n	Total, n
Age, years	25–35	24	93	117
	36–45	10	21	31
	46–55	24	24	48
	>55	40	11	51
Experience, years	>40	9	1	10
	31–40	32	7	39
	21–30	23	25	48
	11–20	7	16	23
	6–10	7	18	25
	0–5	12	40	52
	GP resident	8	42	50
Province	Antwerp	15	21	36
	Brussels	0	2	2
	Limburg	9	18	27
	East Flanders	31	41	72
	Flemish Brabant	25	48	73
	West Flanders	18	19	37
Location	Rural	60	85	145
Location	Urban	38	64	102
Practice	Single-handed	52	29	81
	Two-handed	10	26	36
	Group	36	94	130
Total		98	149	247