| article html file updated | 30 August 2025 10:15 CEST | Update | https://www.mdpi.com/2308-3425/6/1/2 |
| article html file updated | 17 July 2022 18:01 CEST | Update | - |
| article html file updated | 11 February 2020 04:46 CET | Update | - |
| article html file updated | 12 October 2019 08:43 CEST | Update | - |
| article html file updated | 27 April 2019 15:51 CEST | Update | - |
| article html file updated | 13 April 2019 11:41 CEST | Update | - |
| article html file updated | 2 April 2019 17:25 CEST | Update | - |
| article html file updated | 22 December 2018 07:09 CET | Original file | - |
| article pdf uploaded. | 22 December 2018 07:08 CET | Version of Record | https://www.mdpi.com/2308-3425/6/1/2/pdf |
| article xml uploaded. | 22 December 2018 07:08 CET | Update | https://www.mdpi.com/2308-3425/6/1/2/xml |
| article xml file uploaded | 22 December 2018 07:08 CET | Original file | - |
