Vectalys provided the lentiviral vector batch used in this study:

Van Gele M, Geusens B, Schmitt AM, Aguilar L, Lambert J.
Knockdown of Myosin Va Isoforms by RNAi as a Tool to Block Melanosome Transport in Primary Human Melanocytes.
J Invest Dermatol. 2008 Apr 10. [Epub ahead of print]
PMID: 18401430

Vectalys was cited in this article:

Blow N.
RNAi technologies: a screen whose time has arrived. Nature Methods - 5, 361 - 368 (2008)