Cookie	Domain	Type ⇅	Description	Duration
__utma	.mb.mahidol.ac.th	Performance	This cookie is set by Google Analytics and is used to distinguish users and sessions. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics.	2 years
__utmc	.mb.mahidol.ac.th	Performance	The cookie is set by Google Analytics and is deleted when the user closes the browser. It is used to enable interoperability with urchin.js, which is an older version of Google Analytics and is used in conjunction with the __utmb cookie to determine new sessions/visits.	session
__utmz	.mb.mahidol.ac.th	Performance	Google Analytics sets this cookie to store the traffic source or campaign by which the visitor reached the site.	6 months
__utmt	.mb.mahidol.ac.th	Performance	Google Analytics sets this cookie to inhibit request rate.	10 minutes
__utmb	.mb.mahidol.ac.th	Performance	Google Analytics sets this cookie, to determine new sessions/visits. __utmb cookie is created when the JavaScript library executes and there are no existing __utma cookies. It is updated every time data is sent to Google Analytics.