Factors slowing down the production are extensive copyediting, copyright permissions for images, and, alas, unavailability of authors to approve proofs. If the issue gets to the printer late, either it loses its place in the queue or the press must pay extra for expedited service. If you haven't seen copies of on-screen editing before, they may appear severe at first glance. Editing software is extremely thorough and, to that end, a bit repetitive, causing a simple transposition of words to appear as a major edit. Authors have about a week to respond to these edits.
Authors have about one week to respond.
Article authors receive 35 free offprint copies for their own personal distribution. Review authors receive a copy of the journal. All rights reserved.