Published on in Vol 7, No 2 (2019): February
![A Mobile Phone–Based Self-Monitoring Tool for Perioperative Gastric Cancer Patients With Incentive Spirometer: Randomized Controlled Trial A Mobile Phone–Based Self-Monitoring Tool for Perioperative Gastric Cancer Patients With Incentive Spirometer: Randomized Controlled Trial](https://asset.jmir.pub/assets/3fb2afe449f01ffa56e26c53058a09be.png 480w,https://asset.jmir.pub/assets/3fb2afe449f01ffa56e26c53058a09be.png 960w,https://asset.jmir.pub/assets/3fb2afe449f01ffa56e26c53058a09be.png 1920w,https://asset.jmir.pub/assets/3fb2afe449f01ffa56e26c53058a09be.png 2500w)
1 Department of Digital Health, Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University, Gangnam-gu, Republic of Korea
2 Department of Emergency Medicine, Seoul National University Hospital, Seoul, Republic of Korea
3 Product Development Division, BreaThings Co, Ltd, Seoul, Republic of Korea
4 R&D Division, BreaThings Co, Ltd, Seoul, Republic of Korea
5 Camera R&D Group, Samsung Electronics, Seoul, Republic of Korea
6 Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
7 Department of Gastroenterology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
8 Health Information and Strategy Center, Samsung Medical Center, Seoul, Republic of Korea
9 Department of Digital Health, Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University, Seoul, Republic of Korea
10 Department of Emergency Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
*these authors contributed equally