caliPER: A software for blood-free parametric Patlak mapping using PET/MRI input function. - Praveen Dassanayake; Lumeng Cui; Elizabeth C. Finger; Matthew Kewin; Jennifer Hadaway; Andrea Soddu; Bjoern Jakoby; Sven Zühlsdorf; Keith St. Lawrence; Gerald Moran; Udunna C. Anazodo (NeuroImage, 2022)