Proceedings of the National Academy of Sciences (2012) - Comment
pubmed: 22451913  doi: 10.1073/pnas.1121623109  issn: 1091-6490  issn: 0027-8424 

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Stephen B. Willingham, Jens-Peter Volkmer, Andrew J. Gentles, Debashis Sahoo, Piero Dalerba, Siddhartha S. Mitra, Jian Wang, Humberto Contreras-Trujillo, Robin Martin, Justin D. Cohen, Patricia Lovelace, Ferenc A. Scheeren, Mark P. Chao, Kipp Weiskopf, Chad Tang, Anne Kathrin Volkmer, Tejaswitha J. Naik, Theresa A. Storm, Adriane R. Mosley, Badreddin Edris