Forest plots: trying to see the wood and the trees

I am writing a systematic review about antidepressants. For this I need a “forest plot”. Found a nice and comprehensive article in the BMJ.
In short this what a “forest plot” is:
Forest plots show the information from the individual studies that went into the meta-analysis at a glance
They show the amount of variation between the studies and an estimate of the overall result.
And here is link with a spreadsheet to make a forest plot in excel: