| article html file updated | 10 February 2020 17:23 CET | Update | https://www.mdpi.com/2079-9268/8/4/40 |
| article html file updated | 28 April 2019 17:02 CEST | Update | - |
| article html file updated | 14 April 2019 12:13 CEST | Update | - |
| article html file updated | 1 April 2019 10:19 CEST | Update | - |
| article pdf uploaded. | 23 October 2018 08:30 CEST | Version of Record | https://www.mdpi.com/2079-9268/8/4/40/pdf |
| article xml uploaded. | 23 October 2018 08:30 CEST | Update | https://www.mdpi.com/2079-9268/8/4/40/xml |
| article xml file uploaded | 23 October 2018 08:30 CEST | Original file | - |
| article html file updated | 23 October 2018 08:30 CEST | Original file | - |
