Funding for this research was provided by:
Akademie Věd České Republiky (GAČR 15-19947Y, RVO 67985904)
Grantová Agentura České Republiky (GAČR 13-12580S)
Univerzita Karlova v Praze (GAUK 43-251468)
Ministerstvo Školství, Mládeže a Tělovýchovy (EXCELLENCE CZ.02.1.01/0.0/0.0/15_003/0000460 OP RDE)
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (3100A0-120225/1)
Text and Data Mining valid from 2018-04-02
Received: 9 November 2017
Accepted: 15 March 2018
First Online: 2 April 2018
Ethics approval and consent to participate
: All experimental procedures involving water frogs were performed in agreement with directives and under the supervision of the Ethical Committee of the Faculty of Science, Charles University, Prague, according to the directives of the State Veterinary Administration of the Czech Republic, permit number 34711/2010-30 from the Ministry of Agriculture of the Czech Republic. All institutional and national guidelines for the care and use of laboratory animals were followed.
: Not applicable.
: All authors declare that they have no competing interests.
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