Technical and imaging factors influencing performance of deep learning systems for diabetic retinopathy. - Michelle Yuen Ting Yip; Gilbert Lim; Zhan Wei Lim; Quang Duc Nguyen 001; Crystal C. Y. Chong; Marco Yu; Valentina Bellemo; Yuchen Xie; Xin Qi Lee; Haslina Hamzah; Jinyi Ho; Tien-En Tan; et al. (npj Digit. Medicine, 2020)