If you have any questions about paper submissions, processing and publishing, please send your inquiries to the editorial assistant Anita LIU ape@scirp.org.

If you need immediate access to the editorial assistants, please contact us by using skype
(account: scirp_service):  Text Contact,  Voice Contact,
or call +1-209-266-2606 (have your paper ID ready when you make the call).

If you have complaints or suggestions for the journal, please contact customer@scirp.org.

Formal complaints are handled based on SCIRP's Complaints Procedure.