Zilaitiene, Birute
Dirzauskas, Marius
Verkauskiene, Rasa
Ostrauskas, Rytas
Gromoll, Joerg
Nieschlag, Eberhard
Article History
Received: 13 February 2017
Accepted: 21 June 2018
First Online: 28 June 2018
Ethics approval and consent to participate
: The study was approved by the Lithuanian Bioethics Committee (21/12/2006 No. 59/2). The aim of the survey protocol was carefully explained to each subject of study entry, and a written informed consent was obtained.
: Not applicable.
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