TableĀ 2.

The cartographically relevant holdings of the National Center for Biotechnology Information PubMed and GenBank systems. The searches were conducted on 4 November 2011 and 1 March 2012, respectively.

systemPubMedGenBank
start year1946 [98]1982 [99]
frequency of updatesdaily [98]Daily [100]
number of species catalogued>250 000 [100]>250 000 [100]
approximate number of entries21 million [101]340 million [100]
number of clinically relevant diseases for which data are available168155
occurrence point sources for mapping526 564672 327