I know I'm late to this thread but wanted to chime in because this is SO important. Here's another article that speaks to the issue more broadly, with great generalized guidelines: https://medium.com/shenomads/respectful-collection-of-demographic-data-56de9fcb80e2
-- Lisa Jervis Principal Information Ecology: Strategic technology for progressive organizations https://iecology.org/ My pronouns are she/her. Want to send me encrypted email? My public key is available at https://ecl.gy/lj-gpg.