Flament, F., Velleman, D., Yamashita, E., Nicolas, A., Yokoyama, E., Itaya, A., Zhang, Y., Jiang, R., Aarabi, P., Abric, A., Nakada, A., Sagawa, Y., Nishihara, H., Morita, A., Cassier, M., & Delaunay, C. (2021). japanese experiment of a complete and objective automatic grading system of facial signs from selfie pictures: Validation with dermatologists and characterization of changes due to age and sun exposures. Skin research and technology, 27(4), 544–553. http://access.bl.uk/ark:/81055/vdc_100135172272.0x00003e