Joon Nyung Heo · ystia operator
50-1 Yonsei-ro, Seodaemun-gu, Seoul, Republic of Korea
Contact supportGetting access
ystia is available to invited members of participating hospital research teams. Downloading the app does not create a hospital membership. Use your invited email address and the verification link sent to it. Your hospital administrator manages your affiliation and access.
Reporting a problem
Include your app version, device model, operating-system version and what you were doing when the problem occurred. Do not include patient identifiers, medical images, verification links, passwords or authentication tokens in ordinary email or store feedback. We will arrange an appropriate channel if additional information is needed.
Privacy and account requests
Read the privacy policy or request account deletion. Signing out and disabling notifications do not delete your account.
Research use
ystia displays research outputs from a separate imaging workstation. It is not intended for diagnosis or treatment decisions. Notifications and progress displays depend on network and operating-system delivery and are not an emergency communication channel.
한국어 안내
ystia 이용, 로그인, 알림 및 개인정보 관련 문의는 jnheo@jnheo.com으로 보내 주세요. 앱 버전, 기기와 운영체제, 문제가 발생한 상황을 알려 주시고, 일반 이메일이나 스토어 피드백에는 환자 식별정보, 의료영상 또는 인증 정보를 포함하지 마세요.
운영 및 개인정보 문의 책임자: Joon Nyung Heo · 주소: 서울특별시 서대문구 연세로 50-1.