Funding for this research was provided by:
Universiteit Antwerpen (INCO-DEV grant ICA4-CT2002-10050, GOA BOF FFB3567)
Deutsche Forschungsgemeinschaft (Focus Programs GU 883/3-1 and GU 883/3-2)
Received: 1 November 2017
Accepted: 24 January 2018
First Online: 8 February 2018
Ethics approval and consent to participate
: All the procedures followed the Animal Ethics guidelines of the Research Policy of Sokoine University of Agriculture as stipulated in the ‘Code of Conduct for Research Ethics’ (Revised version of 2012) and the guidelines in [CitationRef removed]. The used protocol was approved by the University of Antwerp Ethical Committee for Animal Experimentation (2015–69) and adhered to the EEC Council Directive 2010/63/EU.
: Not applicable.
: The authors declare that they have no competing interests.
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