Frequent Extreme Cold Exposure and Brown Fat and Cold-Induced Thermogenesis: A Study in a Monozygotic Twin Vosselman, Maarten J. ; Vijgen, Guy H. E. J. ; Kingma, Boris R. M. ; Brans, Boudewijn ; van Marken Lichtenbelt, Wouter D. Abstract Publication: PLoS ONE Pub Date: July 2014 DOI: 10.1371/journal.pone.0101653 Bibcode: 2014PLoSO...9j1653V