%0 Journal Article %K Mhealth %K Evaluation %B JMIR mHealth and uHealth %D 2020 %G eng %I JMIR Publications Inc. %N 1 %R 10.2196/12424 %T Considerations for Improved mHealth Evaluation: Retrospective Qualitative Investigation (Preprint) %U https://mhealth.jmir.org/2020/1/e12424/pdf %V 8