Eisenbeiss, Lisa
Steuer, Andrea E. http://orcid.org/0000-0001-8983-2353
Binz, Tina M.
Baumgartner, Markus R.
Kraemer, Thomas
Article History
Received: 28 January 2019
Revised: 17 April 2019
Accepted: 26 April 2019
First Online: 23 May 2019
Compliance with ethical standards
: Hair samples were collected from two healthy volunteers who provided written informed consent. According to Swissethics (Humanforschungsgesetz), no further ethical approval from the cantonal ethic commission is necessary if the research is not aiming to investigate diseases or functions of the human body as is the case in the current study.
: The authors declare that they have no conflict of interest.