This bookdown shows how to build privacy preserving survival models using dsSurvival in DataSHIELD. You can read more at:
https://github.com/neelsoumya/dsSurvivalClient
https://github.com/neelsoumya/dsSurvival
https://neelsoumya.github.io/dsSurvival_bookdown/
https://github.com/datashield