The paper you submitted to Journal of XXXXXXXXXX has been accepted. Please prepare your final manuscript following the templates available from the general editor (), keeping the length of the paper to at most 12 journal pages. However, if you need additional space, we will do our best to accommodate your but please notify the general editor in advance of submitting the final manuscript files. On the other hand, we will greatly appreciate your help in using as few pages as possible to allow us to deal with the backlog of unpublished papers. In particular, please do not leave the last page more than half empty!