Funding for this research was provided by:
Uniwersytet Jagielloński Collegium Medicum (K/ZDS/001540)
Text and Data Mining valid from 2018-08-29
Received: 28 May 2018
Accepted: 17 August 2018
First Online: 29 August 2018
Ethics approval and consent to participate
: The study was approved by Jagiellonian University Bioethical Committee decisions No. KBET/47/B/2009. The consent obtained from the participants was both informed and written.
: Not applicable.
: The authors declare that they have competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.