Authors
Teresa Orlik
Rehabilitation Department, Institute of Mother and Child, Warsaw, Poland
Anna Wyka-Wojeńska
Rehabilitation Department, Institute of Mother and Child, Warsaw, Poland
© 2018 Teresa Orlik, Anna Wyka-Wojeńska, published by University of Physical Education in Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License.