1 = usa
2 = other

1 = america
2 = non-america

1 = Academic
2 = Physician
3 = Society/Professional Organization
4 = Health-related Website
5 = Patient
6 = News

0 = yok
1 = var

1 = 2020
2 = 2021
3 = 2022

1 = low reliable
2 = high reliable

1 = insufficient data
2 = partially sufficient data
3 = completely sufficient data

1 = very poor
2 = poor
3 = fair
4 = good
5 = excellent

1 = Low quality
2 = Medium quality
3 = High Quality