Jonas D. Baandrup, Lars H. Markvardsen, Christian D. Peters, Uffe K. Schou, Jens L. Jensen, Nils E. Magnusson, Torben F. Ørntoft, Mogens Kruhøffer, Ulf Simonsen
PLoS One. 2011; 6(1): e15859. Published online 2011 Jan 5. doi: 10.1371/journal.pone.0015859