| article html file updated | 11 February 2020 01:45 CET | Update | https://www.mdpi.com/2411-5134/3/4/80 |
| article html file updated | 11 October 2019 14:33 CEST | Update | - |
| article html file updated | 27 April 2019 22:35 CEST | Update | - |
| article html file updated | 13 April 2019 18:27 CEST | Update | - |
| article html file updated | 2 April 2019 09:16 CEST | Update | - |
| article html file updated | 7 December 2018 08:09 CET | Original file | - |
| article pdf uploaded. | 7 December 2018 08:08 CET | Version of Record | https://www.mdpi.com/2411-5134/3/4/80/pdf |
| article xml uploaded. | 7 December 2018 08:08 CET | Update | https://www.mdpi.com/2411-5134/3/4/80/xml |
| article xml file uploaded | 7 December 2018 08:08 CET | Original file | - |
