| article html file updated | 6 February 2020 21:03 CET | Update | https://www.mdpi.com/2079-9292/4/3/480 |
| article html file updated | 6 May 2019 14:58 CEST | Update | - |
| article html file updated | 26 March 2019 07:23 CET | Update | - |
| article html file updated | 15 October 2015 07:24 CEST | Update | - |
| article xml file uploaded | 15 October 2015 07:24 CEST | Original file | https://www.mdpi.com/2079-9292/4/3/480/xml |
| article html file updated | 21 August 2015 15:14 CEST | Original file | - |
| article pdf uploaded. | 24 July 2015 16:05 CEST | Version of Record | https://www.mdpi.com/2079-9292/4/3/480/pdf |
