Authors
A. Nikolova
Department of Rehabilitation, Medical College, Trakia University, – Stara Zagora, Bulgaria
Y. P. Yordanov
ASD Consult – Sofia, Bulgaria
© 2022 A. Nikolova, Y. P. Yordanov, published by Sofia Medical University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.