Most participants in a toenail clipping sample study

Most participants in a toenail clipping sample study
Who
Atlantic PATH
Where
Canada (Various)
When
25 October 2013

The largest collection of toenail clippings consists of samples from 24,999 individuals and was compiled by Atlantic PATH (Canada) as of 25 October 2013.

The clippings were collected as part of a scientific study, rather than being a personal collection.