As of 2026, HOPP is closed.

After fourteen years, it was time we slung our hook.

Systematic classification of melanoma cells by phenotype-specific gene expression mapping. Widmer DS, Cheng PF, Eichhoff OM, Belloni BC, Zipser MC, Schlegel NC, Javelaud D, Mauviel A, Dummer R, and Hoek KS (2012) Pigment Cell & Melanoma Res 25(3):343-353