1 = USA
2 = Others

1 = USA
2 = UK
3 = Australia
4 = Others

1 = USA
2 = UK
3 = Australia
4 = Canada
5 = Others

1 = America
2 = Non-America

1 = Academic
2 = Physician
3 = Society/Professional Organization
4 = Health-related Website
5 = Patient
6 = News
7 = Commercial
8 = Non profit organizations

1 = Academic
2 = Physician
3 = Society/Professional Organization
4 = Health-related Website
5 = Others
7 = Commercial
8 = Non profit organizations

0 = no
1 = yes

1 = 2019-2023
2 = 2015-2018
3 = 2011-2014

1 = 2020-2023
2 = 2015-2019
3 = 2011-2014

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