We use scanned model for Highmesh and clean the issues then bake the normal and diffuse maps to the gamemesh.
In general,
The highmesh, textures of the upperbody and lowerbody made by me.
All of the heads and hair made by Linus Hamilton and Hanna Lindfors.
All of the hands made by Joacim Lindquist.
The headgear and some attachments highmesh on the body made by outsourcing team.
All the body gamemesh, uv and texturing baking made from outsourcing team.