Links
[1] https://www.doximity.com/pub/jack-sun-md
[2] http://www.ucihealth.org/find-a-doctor/s/jack-c-sun
[3] https://www.ctsnet.org/user/login?destination=user/421776
[4] https://www.ctsnet.org/print/home/jcjsun
[5] https://www.ctsnet.org/society/ctsnet
[6] https://www.ctsnet.org/society/sts
[7] https://www.ctsnet.org/society/westernthoracic