Emil O W Kirkegaard Retweeted
cohort vs. age effect https://twitter.com/tcjfs/status/722517632897957889 …
Emil O W Kirkegaard added,
This Tweet is unavailable.
4:50 PM - 20 Apr 2016
0 replies
2 retweets
12 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.