Schipp, Dorothea http://orcid.org/0000-0002-4860-786X
Tulinska, Jana
Sustrova, Maria
Liskova, Aurelia
Spustova, Viera
Lehotska Mikusova, Miroslava
Krivosikova, Zora
Rausova, Katarina
Collins, Andrew
Vebraite, Vaineta
Volkovova, Katarina
Rollerova, Eva
Barancokova, Magdalena
Shaposhnikov, Sergey
Article History
Received: 15 July 2018
Accepted: 14 November 2018
First Online: 17 November 2018
Compliance with ethical standards
:
: D. Schipp is a self-employed statistician, who has been appointed and financed by Tchibo GmbH for this and other projects.
: The study has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.