| article html file updated | 30 August 2025 10:40 CEST | Update | https://www.mdpi.com/2413-8851/3/1/7 |
| article html file updated | 17 July 2022 21:38 CEST | Update | - |
| article html file updated | 11 February 2020 07:07 CET | Update | - |
| article html file updated | 12 October 2019 23:20 CEST | Update | - |
| article html file updated | 27 April 2019 10:34 CEST | Update | - |
| article html file updated | 13 April 2019 06:32 CEST | Update | - |
| article html file updated | 2 April 2019 23:05 CEST | Update | - |
| article html file updated | 7 January 2019 11:02 CET | Original file | - |
| article pdf uploaded. | 7 January 2019 11:00 CET | Version of Record | https://www.mdpi.com/2413-8851/3/1/7/pdf |
| article xml uploaded. | 7 January 2019 11:00 CET | Update | https://www.mdpi.com/2413-8851/3/1/7/xml |
| article xml file uploaded | 7 January 2019 11:00 CET | Original file | - |