Yarach, Uten
Luengviriya, Chaiya
Stucht, Daniel
Godenschweger, Frank
Schulze, Peter
Speck, Oliver
Funding for this research was provided by:
BMBF (03FO16101A)
National Institutes of Health (DA021146)
Article History
Received: 9 June 2015
Revised: 20 November 2015
Accepted: 21 November 2015
First Online: 9 February 2016
Compliance with ethical standards
:
: The authors have no conflict of interest.
: The measurements on human subjects in this study have been approved by the local ethics committee and have therefore been performed in accordance with the ethical standards laid down in the Declaration of Helsinki. All involved subjects have given their informed consent before recruitment in the study.