相关费用：有费用︾Page Charge Information
Publication in the journal is subject to payment of a page charge, which serves to support the journal and ensures that articles are freely accessible online in perpetuity under a Creative Commons license. Publication in the journal is on a page charge basis, the current rate being $3200 USD for the first 7 pages, then $425 USD per PDF page (+VAT where applicable). The page charge fee is based on the page count estimate made after submission and is payable upon provisional acceptance for high-quality editing before publication. The charge includes a high-quality editing step for all accepted papers. The page charge is payable only when a manuscript is accepted after peer review, before it is published. The page charge is subject to taxes where applicable.