| article html file updated | 12 February 2020 06:53 CET | Update | https://www.mdpi.com/2079-6412/9/4/271 |
| article html file updated | 18 October 2019 18:31 CEST | Update | - |
| article html file updated | 8 May 2019 16:43 CEST | Update | - |
| article html file updated | 25 April 2019 08:33 CEST | Update | - |
| article html file updated | 22 April 2019 08:17 CEST | Original file | - |
| article pdf uploaded. | 22 April 2019 08:16 CEST | Version of Record | https://www.mdpi.com/2079-6412/9/4/271/pdf |
| article xml uploaded. | 22 April 2019 08:16 CEST | Update | https://www.mdpi.com/2079-6412/9/4/271/xml |
| article xml file uploaded | 22 April 2019 08:16 CEST | Original file | - |
