1 = Official institutions
2 = Health personnel-organizations
3 = Unknown

1 = Human
2 = Model
3 = Both of them

0 = absent
1 = present

1 = <5 min
2 = 5-10 min
3 = >10 min

1 = 1-2
2 = 3-4
3 = 5-6
4 = 7-8
5 = 9-10