Received: 2 May 2019
Accepted: 16 July 2019
First Online: 5 September 2019
: The field trials were carried out in strict accordance with the recommendations in the Good Clinical Practice Guidance Document (VICH GL9). The protocols were developed following the Legislation for the protection of animals used for scientific purposes (Directive 2010/63/EU) and all efforts were carried out to minimize suffering.
: Not applicable.
: The authors declare that they have no competing interests.