Reference 1 Pérez-Enciso M, Zingaretti LM, Ramayo-Caldas Y, de los Campos G. Opportunities and limits of combining microbiome and genome data for complex trait prediction. The correct paragraph should be: MPE is funded by the Ministry of Science and Innovation-State Research Agency (MICIN/AEI/10.13039/501100011033) Grant PID2019-108829RB-I00.