Guzik, Grzegorz
Article History
Received: 22 March 2017
Accepted: 27 February 2018
First Online: 7 March 2018
Authors information
: Grzegorz Guzik PhD is the chief of the Oncological Orthopedics Department in the Podkarpackie Oncologcal Center in Brzozów, Poland. Grzegorz Guzik is the author of over 40 papers and one book in the field of oncology.
: The research was conducted in accordance with the declaration of Helsinki. As this retrospective analysis consists of anonymous clinical data, the Research Ethics Committee deems the application for and the issue of Ethics approval unnecessary.All the personal data was removed before the author began his research (had access to the data).All patients signed a written consent form, for the use of their data for this research.Name of Ethics Committee.“District Medical Chamber in Krakow Ethics Committee”.
: Manuscript does not contain any individual person’s data.
: The authors declare that they have no competing interests.
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