El Euch, Imene Zendah
Frese, Marcel
Sewald, Norbert
Smaoui, Slim
Shaaban, Mohamed
Mellouli, Lotfi
Funding for this research was provided by:
German Academic Exchange Service (ID57166072)
Tunisian Ministry of Higher Education and Scientific Research (LMB Contract program 2015-2018)
Article History
Received: 9 May 2017
Accepted: 28 December 2017
First Online: 18 January 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.