supporting materials
1. passport and visas
2. passport photos
3. I-94
4. I-20
5. H1-b approval card, EAD (OPT) and SSN card
6. W-2 forms (2001-2003)
7. Tax return forms (2001-2003)
8. Job offer letter
9. Birth certificate
10. Membership cards
11. Awards
12. papers
13. paper citation
14. Abstracts
15. Ph.D. degree copy