Neutron Fluence to Dose Conversion

Hello everyone,
Is there a way to calculate the dose equivalent from the neutron fluence in Geant4? In other words, are the neutron fluence-to-dose conversion factors provided somewhere in Geant4?
If not, and if I must do that manually, does anyone know how may I find these factors? And should I define my energy bins in a specific way to be able to use the conversion factors?