Bartkiene, Elena
Sakiene, Vytaute
Bartkevics, Vadims
Rusko, Janis
Lele, Vita
Juodeikiene, Grazina
Wiacek, Claudia
Braun, Peggy G.
Article History
Received: 23 December 2017
Revised: 10 March 2018
Accepted: 16 March 2018
First Online: 27 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.