add publication thumbnail.
add publication thumbnail.

AndersenLab/cegwas-web,AndersenLab/CeNDR,AndersenLab/CeNDR,AndersenLab/CeNDR,AndersenLab/cegwas-web,AndersenLab/cegwas-web,AndersenLab/cegwas-web,AndersenLab/CeNDR