Detailed Methods for a Templateflow template?

I stumbled across a Templateflow template that perfectly suits my needs, but I would like to know the process behind creating that template. The description json file links an article about the dataset but not template creation.

What exactly is Templateflow? Is it just a collection of templates or does it use a standardized procedure for all its templates?

Answering my own question for the record.

Templateflow is just a collection of various templates for fMRIPrep. As the PNC template, it was added by Ciric R, who also wrote this article on fMRI confound regression methods. The method for template creation in this study is reused almost verbatim in many other PNC studies, so they are probably using this exact template.

This information probably should in https://github.com/templateflow/tpl-PNC/blob/master/template_description.json

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