Funding for this research was provided by:
Manchester Biomedical Research Centre
Received: 18 August 2020
Revised: 21 October 2020
Accepted: 7 December 2020
First Online: 12 January 2021
Compliance with ethical standards
: None declared. For the record, R.P. is Founder and CEO of a company that is engaged in pre-clinical human hair research services and assay development (ExternalRef removed).