Checked user groups published on Kotlin site, here some errors I got when checking. Looks like some links should be updated/removed.

# Email?!
<mailto:robert.chrzanowski@gmail.com>

# 404:
<https://www.meetup.com/Kotlin-ABQ/>
<https://www.meetup.com/New-England-Kotlin-Users-Group/>
<https://www.meetup.com/Kotlin-Portland-User-Group/>
<https://www.meetup.com/Wellington-kt/>
<https://www.meetup.com/Kotlin-Software-Development-Meetup/>
<https://www.meetup.com/Rabat-Kotlin-User-Group/>
<http://www.meetup.com/Lyon-Kotlin-User-Group/>
<https://www.meetup.com/kotlinlimerick/>

# Unknown (can't verify):
<http://kotlinthree.github.io/>
<http://weibo.com/kotlinhfug>

Hi! Will review and update. Thanks!