Remote Monitoring of Colorectal Cancer Survivors Using a Smartphone App and Internet of Things–Based Device: Development and Usability Study

Seyed Mohammad Ayyoubzadeh   ¹ , PhD ;   Tayebeh Baniasadi   ² , PhD ;   Mohammad Shirkhoda   ³ , MD ;   Sharareh Rostam Niakan Kalhori   ^{1, 4} , PhD ;   Niloofar Mohammadzadeh   ¹ , PhD ;   Kamran Roudini   ⁵ , MD ;   Reza Ghalehtaki   ⁶ , MD ;   Fereidoon Memari   ³ , MD ;   Amirmohsen Jalaeefar   ³ , MD

¹ Department of Health Information Management, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran

² Department of Health Information Technology, Faculty of Para-Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran

³ Department of General Surgery, Subdivision of Surgical Oncology, Cancer Institute of Iran, Tehran University of Medical Sciences, Tehran, Iran

⁴ Peter L. Reichertz Institute for Medical Informatics (PLRI), Technical University of Braunschweig and Hannover Medical School, Braunschweig, Germany

⁵ Department of Internal Medicine, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran

⁶ Department of Radiation Oncology, Cancer Institute, Radiation Oncology Research Center, Cancer Research Institute, Tehran University of Medical Sciences, Tehran, Iran