A Digital Smartphone-Based Self-administered Tool (R+ Dietitian) for Nutritional Risk Screening and Dietary Assessment in Hospitalized Patients With Cancer: Evaluation and Diagnostic Accuracy Study

Zhiwen Long   ^{1 *} , MPH ;   Shan Huang   ^{2, 3 *} , MD ;   Jie Zhang   ^{2, 3} , MM ;   Deng Zhang   ² , MM ;   Jun Yin   ¹ , MM ;   Chengyuan He   ¹ , BSc ;   Qinqiu Zhang   ^{1, 4} , MSA ;   Huilin Xu   ¹ , AAS ;   Huimin He   ¹ , BSc ;   Ho Ching Sun   ¹ , BSc ;   Ke Xie   ^{2, 3} , MD

¹ Recovery Plus Clinic, Chengdu, China

² Department of Oncology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, China

³ School of Medicine, University of Electronic Science and Technology of China, Chengdu, China

⁴ College of Food Science, Sichuan Agricultural University, Ya'an, China

*these authors contributed equally