as follows 后面用什么标点呢。

Throughout my college life, my harvests mainly come from two aspects as follows

First 一小段

Second一小段

这个 as follows 后面用冒号还是句号呢？因为低下是两段，不是2个分句，所以我用的句号，但是同学让我用冒号。不过我见很多网上的例子句号冒号都有，就不知道咋整了、、
大家啥意见呢？