Tiefenbeck, Verena http://orcid.org/0000-0001-8827-5575
Wörner, Anselma
Schöb, Samuel
Fleisch, Elgar
Staake, Thorsten
Article History
First Online: 11 October 2019
Competing interests
: V.T., A.W. and E.F. declare no competing financial interests. T.S. and S.S. are co-founders of and hold shares in Amphiro AG, the small to medium enterprise that manufactures the smart shower meters. T.S. and S.S. were not involved in the data analysis, hotel selection or room assignment.