%0 Journal Article %@ 1438-8871 %I JMIR Publications %V 23 %N 6 %P e26514 %T Periodic Manual Algorithm Updates and Generalizability: A Developer’s Response. Comment on “Evaluation of Four Artificial Intelligence–Assisted Self-Diagnosis Apps on Three Diagnoses: Two-Year Follow-Up Study” %A Gilbert,Stephen %A Fenech,Matthew %A Idris,Anisa %A Türk,Ewelina %+ Ada Health, Karl-Liebknecht-Str 1, Berlin, 10178, Germany, 49 017680396015, stephen.gilbert@ada.com %K artificial intelligence %K machine learning %K mobile apps %K medical diagnosis %K mHealth %K symptom assessment %D 2021 %7 16.6.2021 %9 Letter to the Editor %J J Med Internet Res %G English %X %M 34132641 %R 10.2196/26514 %U https://www.jmir.org/2021/6/e26514 %U https://doi.org/10.2196/26514 %U http://www.ncbi.nlm.nih.gov/pubmed/34132641