| article html file updated | 12 February 2020 08:37 CET | Update | https://www.mdpi.com/2413-8851/3/2/48 |
| article html file updated | 19 October 2019 05:23 CEST | Update | - |
| article html file updated | 29 April 2019 09:16 CEST | Original file | - |
| article pdf uploaded. | 29 April 2019 09:15 CEST | Version of Record | https://www.mdpi.com/2413-8851/3/2/48/pdf |
| article xml uploaded. | 29 April 2019 09:15 CEST | Update | https://www.mdpi.com/2413-8851/3/2/48/xml |
| article xml file uploaded | 29 April 2019 09:15 CEST | Original file | - |
