| article html file updated | 7 February 2020 00:26 CET | Update | https://www.mdpi.com/2079-6382/4/4/480 |
| article html file updated | 6 May 2019 08:00 CEST | Update | - |
| article html file updated | 26 March 2019 13:48 CET | Update | - |
| article html file updated | 2 November 2015 10:51 CET | Original file | - |
| article xml file uploaded | 2 November 2015 10:51 CET | Original file | https://www.mdpi.com/2079-6382/4/4/480/xml |
| article pdf uploaded. | 2 November 2015 02:20 CET | Updated version of record | https://www.mdpi.com/2079-6382/4/4/480/pdf |
| article supplementary file uploaded. | 30 October 2015 16:26 CET | - | https://www.mdpi.com/2079-6382/4/4/480#supplementary |
| article pdf uploaded. | 30 October 2015 16:26 CET | Version of Record | https://www.mdpi.com/2079-6382/4/4/480/pdf-vor |
