Characteristics and Admission Preferences of Pediatric Emergency Patients and Their Waiting Time Prediction Using Electronic Medical Record Data: Retrospective Comparative Analysis. - Guo, Lin Lin; Guo, Lin Ying; Li, Jiao; Gu, Yao Wen; Wang, Jia Yang; Cui, Ying; Qian, Qing; Chen, Ting; Jiang, Rui; Zheng, Si (Journal of Medical Internet Research, 2023)