Guidlines

https://kdigo.org/guidelines
https://www.asn-online.org/education/training/fellows/educational-resources.aspx#Guidelines

Transplantology:

https://www.myast.org/education/guidelines-and-opinions#
https://bts.org.uk/guidelines-standards
http://www.european-renal-best-practice.org/content/guidelines-topic-transplantation