Published on in Vol 8, No 10 (2020): October
![Symbol Digit Modalities Test Variant in a Smartphone App for Persons With Multiple Sclerosis: Validation Study Symbol Digit Modalities Test Variant in a Smartphone App for Persons With Multiple Sclerosis: Validation Study](https://asset.jmir.pub/assets/ead30ad7f7c1f281a45a3a23f6c9da8d.png 480w,https://asset.jmir.pub/assets/ead30ad7f7c1f281a45a3a23f6c9da8d.png 960w,https://asset.jmir.pub/assets/ead30ad7f7c1f281a45a3a23f6c9da8d.png 1920w,https://asset.jmir.pub/assets/ead30ad7f7c1f281a45a3a23f6c9da8d.png 2500w)
1 Orikami Digital Health Products, Nijmegen, Netherlands
2 Dutch National MS Foundation, Rotterdam, Netherlands
3 Radboud University Medical Center, Nijmegen, Netherlands
4 Faculty of Science, Institute for Science in Society, Radboud University, Nijmegen, Netherlands
5 Drug Target ID, Nijmegen, Netherlands
6 NeuroDrug Research BV, Nijmegen, Netherlands
7 Department of Community & Occupational Medicine, University Medical Centre Groningen, Groningen, Netherlands
8 MS4 Research Institute, Nijmegen, Netherlands