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All rights, title and interest in the copyright to manuscript submitted, if accepted, are hereby transferred to JPPK. This includes display of the accepted article in electronic form on the internet before and/or after print publication (if any). The authors must confirm that the manuscript contains no material that would violate the copyright or any other right of any other person. The authors reserve unto themselves the following rights the right to make copies for personal teaching use, and to reproduce reasonable quantities for personal use only; the right to reuse figures and tables in articles published in other books or journals (with bibliographic reference to JPPK); any proprietary rights other than copyright, including the right to any patentable subject matter contained in the manuscript and the right to deny any subsequent commercial use. Author's must sign the Copyright Transfer Form after did the submission on JPPK