Orthology established by Zhong et al., 2017 (10 genes)

Orthology for igfbp1a ( Chr: 20 )
Orthology for igfbp1b ( Chr: 2 )
Orthology for igfbp2a ( Chr: 6 )
Orthology for igfbp2b ( Chr: 9 )
Orthology for igfbp3 ( Chr: 20 )