I have annotation from the http://www.scandb.org/ , The SCAN website , and from data I got from my advisor
the Scan annotation as follows
snp chr pos rs987435 7 78437519 rs345783 15 31183071 rs6088791 20 33371323 rs11180435 12 73950313 rs2342723 16 5688792
My data annotation is
snp chr pos rs987435 chr7 78599583 rs345783 chr15 33395779 rs6088791 chr20 33907909 rs11180435 chr12 75664046 rs2342723 chr16 5748791
the position is different , why? which one shall I trust?