Table 1: Studies contributing to the sibling GWAS

  Study Siblings
1. Australian Mammographic Density Twins (AMDTSS) 1,811
2. China Kadoorie Biobank (CKB) 13,856
3. Colorado Longitudinal Twin Study (CLTS) 596
4. Danish Twin Registry (DTR) 1,172
5. DiscovEHR 13,816
6. Finnish Twin Cohort 8,810
7. Generation Scotland (GS) 11,608
8. GENOA 1,696
9. The Nord-Trøndelag Health Study (HUNT) 38,549
10. Netherlands Twin Registry (NTR)) 6,186
11. ORCADES 930
12. QIMR Berghofer Medical Research Institute (QIMR) 10,082
13. Swedish Twin Registry (STR) 3,488
14. TEDS 3,172
15. TwinsUK 2,838
16. UK Biobank 40,210
17. Viking1 837

Table 2: Studies contacted with and involved other within family analyses

  Study Siblings MZ twins Trios Duos
1. Chinese National Twin Registry        
2. Texas Twin Project        
3. Murcia Twin Registry        
4. Italian Twin Registry        
5. Minnesota Center for Twin and Family Research        
6. Osaka University Twin Registry        
7. Longitudinal Study of Aging Danish Twins        
8. Framingham Heart Study        
9. Avon Longitudinal Study of Parents and Children        
10. The Healthy Twin Study (Korea)        
11. Exeter Family Study of Childhood Health        
12. Mid-Atlantic Twin Registry        
13. Norwegian Mother, Father and Child Cohort Study (MoBa)        
14. Born in Bradford (duos)        
15. HyperGEN        
16. Jackson Heart Study        
17. GeneSTAR        
18. GOLDN        
19. Generation R        
20. AddHealth        
21. Wisconsin Longitudinal Studies        
22. Korean Twin Study        
23. TwinGene        
24. FinnGen        
25. MegaBank Japan        
26. Millennium Cohort Study