Enhanced data and methods for improving open and free global population grids: putting 'leaving no one behind' into practice. - Sérgio Freire 002; Marcello Schiavina; Aneta J. Florczyk; Kytt MacManus; Martino Pesaresi; Christina Corbane; Olena Borkovska; Jane Mills; Linda Pistolesi; John Squires; Richard Sliuzas (Int. J. Digit. Earth, 2020)