Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01EO1401)
Biotechnology and Biological Sciences Research Council (BBM0278801)
Article History
Received: 29 January 2018
Revised: 19 April 2018
Accepted: 20 April 2018
First Online: 27 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study accorded to the ethical principles laid down in the 1964 Declaration of Helsinki and its later amendments and was approved by the University of Birmingham Research Ethics Committee. All participants gave their informed consent prior to their inclusion in the study.