| article html file updated | 7 February 2020 16:01 CET | Update | https://www.mdpi.com/2079-6382/5/4/36 |
| article html file updated | 22 September 2019 02:19 CEST | Update | - |
| article html file updated | 5 May 2019 02:14 CEST | Update | - |
| article html file updated | 27 December 2016 02:12 CET | Update | - |
| article html file updated | 8 October 2016 09:24 CEST | Original file | - |
| article xml uploaded. | 8 October 2016 09:23 CEST | Update | https://www.mdpi.com/2079-6382/5/4/36/xml |
| article xml uploaded. | 8 October 2016 09:23 CEST | Original file | - |
| article pdf uploaded. | 8 October 2016 09:23 CEST | Version of Record | https://www.mdpi.com/2079-6382/5/4/36/pdf |