Text and Data Mining valid from 2019-01-31
Received: 19 April 2018
Accepted: 10 January 2019
First Online: 31 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors. All necessary permits for sampling and observational fields have been obtained by the authors from the competent authorities (TAAF) and are mentioned in the acknowledgments. We took care not to disturb wildlife or the surrounding environment more than necessary to gather the samples.
: Consent to submit has been received explicitly from all the authors, as well as from the responsible authorities—tacitly or explicitly—at the institute/organization where the work has been carried out, before the work is submitted.