Review Article

Environmental Trigger(s) of Type 1 Diabetes: Why So Difficult to Identify?

Table 4

HLA typing and time points for follow-up in BABYDIAB.

(a) No HLA typing required for recruitment and to be found eligible for follow-up

(b) Time points for blood samples: 9 months, 2 years, 5 years, 8 years, 11 years, 14 years, 17 years, and 20 years

(c) Questionnaires were asked for at 9 months and at 2 years with respect to breastfeeding

(d) Stool samples, not asked for