If you intend to apply to our journal, we recommend you to review the journal publishing principles and ethical rules on the About Journal page. Authors must register before posting to the journal. Once registered, you can start the 5-digit shipment process via the Login link. Readers are encouraged to register for the broadcast notification service. This can be done from the Registration link at the top of the journal home page. The CONTENTS page is sent via e-mail whenever a new issue is published to the reader who registers for this service. As stated in the journal's privacy statement, the authors' credentials and e-mail addresses will in no way be used for other purposes. We recommend that research libraries include this journal in their electronic journal collection.