相关费用：选择性费用︾Page charges：
Every corresponding author will be asked to pay 100 euros charges for an article of 5 pages or less, and 150 euros for a longer article. The authors of invited articles will not be required to pay any charges. The form will be sent together with the proofs.
Editorial acceptance is not contingent on publication charge support.
Page charges may be waived or reduced at the discretion of the editors in cases in which research funds are not available. Written statement of why the charges cannot be paid must be provided to the editorial office at the time the paper is submitted.
Authors may ask to have their articles freely available in the online version of the journal (open access); this will be charged at an extra 700 €.