| article html file updated | 30 August 2025 21:08 CEST | Update | https://www.mdpi.com/2226-4787/7/2/64 |
| article html file updated | 20 July 2022 15:35 CEST | Update | - |
| article html file updated | 12 February 2020 19:41 CET | Update | - |
| article html file updated | 21 October 2019 21:25 CEST | Update | - |
| article html file updated | 5 July 2019 18:14 CEST | Update | - |
| article html file updated | 14 June 2019 10:49 CEST | Original file | - |
| article pdf uploaded. | 14 June 2019 10:48 CEST | Version of Record | https://www.mdpi.com/2226-4787/7/2/64/pdf |
| article xml uploaded. | 14 June 2019 10:48 CEST | Update | https://www.mdpi.com/2226-4787/7/2/64/xml |
| article xml file uploaded | 14 June 2019 10:48 CEST | Original file | - |
