A mistake escaped our attention while correcting the proofs, for which we apologize.
The caption of figure 3B should not be: ("B) immune system co-module containing lymph node and thymus", but rather should be: "(B) co-module containing liver and kidney".
erratum concerning Figure 3
17 May 2012
A mistake escaped our attention while correcting the proofs, for which we apologize.
The caption of figure 3B should not be: ("B) immune system co-module containing lymph node and thymus", but rather should be: "(B) co-module containing liver and kidney".
Competing interests
I am a co-author of the paper.