Template images by averaging healthy controls protein expression
density maps (Data are from the following studies: "Rizzo G, Veronese M, Heckemann RA, Selvaraj S, Howes OD, Hammers A, et al. The predictive power of brain mRNA mappings for in vivo protein density: a positron emission tomography correlation study. Journal of cerebral blood flow and metabolism 2014;34(5):827-35. doi: 10.1038/jcbfm.2014.21" and "Grecchi E, Doyle OM, Bertoldo A, Pavese N, Turkheimer FE. Brain shaving: adaptive detection for brain PET data. Physics in Medicine and Biology. 2014;59(10):2517. doi: 10.1088/0031-9155/59/10/2517".