Table 1.

Frequency of follow-up visits.

Frequency of follow-up visits	Year of follow-up
	1	2	3	4
Frequency of videoendoscopic evaluation	Every 3 months	Every 3 months	Every 4 months	Every 6 months
Frequency of follow-up visits (without NBI)	Every 6–8 weeks	Every 8–12 weeks	Every 4 months	Every 6 months