Genome-wide meta-analysis implicates mediators of hair follicle development and morphogenesis in risk for severe acne oleh Christos Petridis, Alexander A. Navarini, Nick Dand, Jake Saklatvala, David Baudry, Michael Duckworth, Michael H. Allen, Charles J. Curtis, Sang Hyuck Lee, A. David Burden, Alison Layton, Veronique Bataille, Andrew E. Pink, The Acne Genetic Study Group, Isabelle Carlavan, Johannes J. Voegel, Timothy D. Spector, Richard C. Trembath, John A. McGrath, Catherine H. Smith, Jonathan N. Barker, Michael A. Simpson