Text and Data Mining valid from 2019-08-12
Received: 16 October 2018
Revised: 13 June 2019
Accepted: 18 June 2019
First Online: 12 August 2019
Compliance with Ethical Standards
: GNS is employee of Johnson & Johnson Santé Beauté France, a manufacturer of skin care products. GH, DB, and JS are employees of ImaBiotech, SAS a provider of analytical services including MALDI-MSI. The authors of the manuscript declare no competing commercial/financial interests.