| article html file updated | 12 February 2020 18:15 CET | Update | https://www.mdpi.com/2077-0375/9/6/71 |
| article html file updated | 21 October 2019 12:27 CEST | Update | - |
| article html file updated | 5 July 2019 16:05 CEST | Update | - |
| article html file updated | 5 July 2019 12:43 CEST | Update | - |
| article html file updated | 7 June 2019 09:40 CEST | Original file | - |
| article pdf uploaded. | 7 June 2019 09:38 CEST | Version of Record | https://www.mdpi.com/2077-0375/9/6/71/pdf |
| article xml uploaded. | 7 June 2019 09:38 CEST | Update | https://www.mdpi.com/2077-0375/9/6/71/xml |
| article xml file uploaded | 7 June 2019 09:38 CEST | Original file | - |
